18729750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 53778816

約数和(自身を除く): 35049066

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 113, 125, 130, 150, 170, 195, 221, 226, 250, 255, 325, 339, 375, 390, 425, 442, 510, 565, 650, 663, 678, 750, 850, 975, 1105, 1130, 1275, 1326, 1469, 1625, 1695, 1921, 1950, 2125, 2210, 2550, 2825, 2938, 3250, 3315, 3390, 3842, 4250, 4407, 4875, 5525, 5650, 5763, 6375, 6630, 7345, 8475, 8814, 9605, 9750, 11050, 11526, 12750, 14125, 14690, 16575, 16950, 19210, 22035, 24973, 27625, 28250, 28815, 33150, 36725, 42375, 44070, 48025, 49946, 55250, 57630, 73450, 74919, 82875, 84750, 96050, 110175, 124865, 144075, 149838, 165750, 183625, 220350, 240125, 249730, 288150, 367250, 374595, 480250, 550875, 624325, 720375, 749190, 1101750, 1248650, 1440750, 1872975, 3121625, 3745950, 6243250, 9364875, 18729750]

約数ペア:

[(1, 18729750), (2, 9364875), (3, 6243250), (5, 3745950), (6, 3121625), (10, 1872975), (13, 1440750), (15, 1248650), (17, 1101750), (25, 749190), (26, 720375), (30, 624325), (34, 550875), (39, 480250), (50, 374595), (51, 367250), (65, 288150), (75, 249730), (78, 240125), (85, 220350), (102, 183625), (113, 165750), (125, 149838), (130, 144075), (150, 124865), (170, 110175), (195, 96050), (221, 84750), (226, 82875), (250, 74919), (255, 73450), (325, 57630), (339, 55250), (375, 49946), (390, 48025), (425, 44070), (442, 42375), (510, 36725), (565, 33150), (650, 28815), (663, 28250), (678, 27625), (750, 24973), (850, 22035), (975, 19210), (1105, 16950), (1130, 16575), (1275, 14690), (1326, 14125), (1469, 12750), (1625, 11526), (1695, 11050), (1921, 9750), (1950, 9605), (2125, 8814), (2210, 8475), (2550, 7345), (2825, 6630), (2938, 6375), (3250, 5763), (3315, 5650), (3390, 5525), (3842, 4875), (4250, 4407)]