18943950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 54817920

約数和(自身を除く): 35873970

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 23, 25, 30, 34, 38, 46, 50, 51, 57, 69, 75, 85, 95, 102, 114, 115, 138, 150, 170, 190, 230, 255, 285, 289, 323, 345, 391, 425, 437, 475, 510, 570, 575, 578, 646, 690, 782, 850, 867, 874, 950, 969, 1150, 1173, 1275, 1311, 1425, 1445, 1615, 1725, 1734, 1938, 1955, 2185, 2346, 2550, 2622, 2850, 2890, 3230, 3450, 3910, 4335, 4370, 4845, 5491, 5865, 6555, 6647, 7225, 7429, 8075, 8670, 9690, 9775, 10925, 10982, 11730, 13110, 13294, 14450, 14858, 16150, 16473, 19550, 19941, 21675, 21850, 22287, 24225, 27455, 29325, 32775, 32946, 33235, 37145, 39882, 43350, 44574, 48450, 54910, 58650, 65550, 66470, 74290, 82365, 99705, 111435, 126293, 137275, 164730, 166175, 185725, 199410, 222870, 252586, 274550, 332350, 371450, 378879, 411825, 498525, 557175, 631465, 757758, 823650, 997050, 1114350, 1262930, 1894395, 3157325, 3788790, 6314650, 9471975, 18943950]

約数ペア:

[(1, 18943950), (2, 9471975), (3, 6314650), (5, 3788790), (6, 3157325), (10, 1894395), (15, 1262930), (17, 1114350), (19, 997050), (23, 823650), (25, 757758), (30, 631465), (34, 557175), (38, 498525), (46, 411825), (50, 378879), (51, 371450), (57, 332350), (69, 274550), (75, 252586), (85, 222870), (95, 199410), (102, 185725), (114, 166175), (115, 164730), (138, 137275), (150, 126293), (170, 111435), (190, 99705), (230, 82365), (255, 74290), (285, 66470), (289, 65550), (323, 58650), (345, 54910), (391, 48450), (425, 44574), (437, 43350), (475, 39882), (510, 37145), (570, 33235), (575, 32946), (578, 32775), (646, 29325), (690, 27455), (782, 24225), (850, 22287), (867, 21850), (874, 21675), (950, 19941), (969, 19550), (1150, 16473), (1173, 16150), (1275, 14858), (1311, 14450), (1425, 13294), (1445, 13110), (1615, 11730), (1725, 10982), (1734, 10925), (1938, 9775), (1955, 9690), (2185, 8670), (2346, 8075), (2550, 7429), (2622, 7225), (2850, 6647), (2890, 6555), (3230, 5865), (3450, 5491), (3910, 4845), (4335, 4370)]