18967650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 51746688

約数和(自身を除く): 32779038

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 71, 75, 78, 130, 137, 142, 150, 195, 213, 274, 325, 355, 390, 411, 426, 650, 685, 710, 822, 923, 975, 1065, 1370, 1775, 1781, 1846, 1950, 2055, 2130, 2769, 3425, 3550, 3562, 4110, 4615, 5325, 5343, 5538, 6850, 8905, 9230, 9727, 10275, 10650, 10686, 13845, 17810, 19454, 20550, 23075, 26715, 27690, 29181, 44525, 46150, 48635, 53430, 58362, 69225, 89050, 97270, 126451, 133575, 138450, 145905, 243175, 252902, 267150, 291810, 379353, 486350, 632255, 729525, 758706, 1264510, 1459050, 1896765, 3161275, 3793530, 6322550, 9483825, 18967650]

約数ペア:

[(1, 18967650), (2, 9483825), (3, 6322550), (5, 3793530), (6, 3161275), (10, 1896765), (13, 1459050), (15, 1264510), (25, 758706), (26, 729525), (30, 632255), (39, 486350), (50, 379353), (65, 291810), (71, 267150), (75, 252902), (78, 243175), (130, 145905), (137, 138450), (142, 133575), (150, 126451), (195, 97270), (213, 89050), (274, 69225), (325, 58362), (355, 53430), (390, 48635), (411, 46150), (426, 44525), (650, 29181), (685, 27690), (710, 26715), (822, 23075), (923, 20550), (975, 19454), (1065, 17810), (1370, 13845), (1775, 10686), (1781, 10650), (1846, 10275), (1950, 9727), (2055, 9230), (2130, 8905), (2769, 6850), (3425, 5538), (3550, 5343), (3562, 5325), (4110, 4615)]