19941000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 68964480

約数和(自身を除く): 49023480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 25, 30, 34, 40, 46, 50, 51, 60, 68, 69, 75, 85, 92, 100, 102, 115, 120, 125, 136, 138, 150, 170, 184, 200, 204, 230, 250, 255, 276, 289, 300, 340, 345, 375, 391, 408, 425, 460, 500, 510, 552, 575, 578, 600, 680, 690, 750, 782, 850, 867, 920, 1000, 1020, 1150, 1156, 1173, 1275, 1380, 1445, 1500, 1564, 1700, 1725, 1734, 1955, 2040, 2125, 2300, 2312, 2346, 2550, 2760, 2875, 2890, 3000, 3128, 3400, 3450, 3468, 3910, 4250, 4335, 4600, 4692, 5100, 5750, 5780, 5865, 6375, 6647, 6900, 6936, 7225, 7820, 8500, 8625, 8670, 9384, 9775, 10200, 11500, 11560, 11730, 12750, 13294, 13800, 14450, 15640, 17000, 17250, 17340, 19550, 19941, 21675, 23000, 23460, 25500, 26588, 28900, 29325, 33235, 34500, 34680, 36125, 39100, 39882, 43350, 46920, 48875, 51000, 53176, 57800, 58650, 66470, 69000, 72250, 78200, 79764, 86700, 97750, 99705, 108375, 117300, 132940, 144500, 146625, 159528, 166175, 173400, 195500, 199410, 216750, 234600, 265880, 289000, 293250, 332350, 391000, 398820, 433500, 498525, 586500, 664700, 797640, 830875, 867000, 997050, 1173000, 1329400, 1661750, 1994100, 2492625, 3323500, 3988200, 4985250, 6647000, 9970500, 19941000]

約数ペア:

[(1, 19941000), (2, 9970500), (3, 6647000), (4, 4985250), (5, 3988200), (6, 3323500), (8, 2492625), (10, 1994100), (12, 1661750), (15, 1329400), (17, 1173000), (20, 997050), (23, 867000), (24, 830875), (25, 797640), (30, 664700), (34, 586500), (40, 498525), (46, 433500), (50, 398820), (51, 391000), (60, 332350), (68, 293250), (69, 289000), (75, 265880), (85, 234600), (92, 216750), (100, 199410), (102, 195500), (115, 173400), (120, 166175), (125, 159528), (136, 146625), (138, 144500), (150, 132940), (170, 117300), (184, 108375), (200, 99705), (204, 97750), (230, 86700), (250, 79764), (255, 78200), (276, 72250), (289, 69000), (300, 66470), (340, 58650), (345, 57800), (375, 53176), (391, 51000), (408, 48875), (425, 46920), (460, 43350), (500, 39882), (510, 39100), (552, 36125), (575, 34680), (578, 34500), (600, 33235), (680, 29325), (690, 28900), (750, 26588), (782, 25500), (850, 23460), (867, 23000), (920, 21675), (1000, 19941), (1020, 19550), (1150, 17340), (1156, 17250), (1173, 17000), (1275, 15640), (1380, 14450), (1445, 13800), (1500, 13294), (1564, 12750), (1700, 11730), (1725, 11560), (1734, 11500), (1955, 10200), (2040, 9775), (2125, 9384), (2300, 8670), (2312, 8625), (2346, 8500), (2550, 7820), (2760, 7225), (2875, 6936), (2890, 6900), (3000, 6647), (3128, 6375), (3400, 5865), (3450, 5780), (3468, 5750), (3910, 5100), (4250, 4692), (4335, 4600)]