19997265852

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{351347}}^1$

素因数の和:351408

約数の個数: 96

約数和(自身を含む): 56665405440

約数和(自身を除く): 36668139588

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 93, 102, 108, 124, 153, 186, 204, 279, 306, 372, 459, 527, 558, 612, 837, 918, 1054, 1116, 1581, 1674, 1836, 2108, 3162, 3348, 4743, 6324, 9486, 14229, 18972, 28458, 56916, 351347, 702694, 1054041, 1405388, 2108082, 3162123, 4216164, 5972899, 6324246, 9486369, 10891757, 11945798, 12648492, 17918697, 18972738, 21783514, 23891596, 32675271, 35837394, 37945476, 43567028, 53756091, 65350542, 71674788, 98025813, 107512182, 130701084, 161268273, 185159869, 196051626, 215024364, 294077439, 322536546, 370319738, 392103252, 555479607, 588154878, 645073092, 740639476, 1110959214, 1176309756, 1666438821, 2221918428, 3332877642, 4999316463, 6665755284, 9998632926, 19997265852]

約数ペア:

[(1, 19997265852), (2, 9998632926), (3, 6665755284), (4, 4999316463), (6, 3332877642), (9, 2221918428), (12, 1666438821), (17, 1176309756), (18, 1110959214), (27, 740639476), (31, 645073092), (34, 588154878), (36, 555479607), (51, 392103252), (54, 370319738), (62, 322536546), (68, 294077439), (93, 215024364), (102, 196051626), (108, 185159869), (124, 161268273), (153, 130701084), (186, 107512182), (204, 98025813), (279, 71674788), (306, 65350542), (372, 53756091), (459, 43567028), (527, 37945476), (558, 35837394), (612, 32675271), (837, 23891596), (918, 21783514), (1054, 18972738), (1116, 17918697), (1581, 12648492), (1674, 11945798), (1836, 10891757), (2108, 9486369), (3162, 6324246), (3348, 5972899), (4743, 4216164), (6324, 3162123), (9486, 2108082), (14229, 1405388), (18972, 1054041), (28458, 702694), (56916, 351347)]