19725858

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 48522240

約数和(自身を除く): 28796382

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 31, 46, 53, 58, 62, 69, 87, 93, 106, 138, 159, 174, 186, 207, 261, 279, 318, 414, 477, 522, 558, 667, 713, 899, 954, 1219, 1334, 1426, 1537, 1643, 1798, 2001, 2139, 2438, 2697, 3074, 3286, 3657, 4002, 4278, 4611, 4929, 5394, 6003, 6417, 7314, 8091, 9222, 9858, 10971, 12006, 12834, 13833, 14787, 16182, 20677, 21942, 27666, 29574, 35351, 37789, 41354, 47647, 62031, 70702, 75578, 95294, 106053, 113367, 124062, 142941, 186093, 212106, 226734, 285882, 318159, 340101, 372186, 428823, 636318, 680202, 857646, 1095881, 2191762, 3287643, 6575286, 9862929, 19725858]

約数ペア:

[(1, 19725858), (2, 9862929), (3, 6575286), (6, 3287643), (9, 2191762), (18, 1095881), (23, 857646), (29, 680202), (31, 636318), (46, 428823), (53, 372186), (58, 340101), (62, 318159), (69, 285882), (87, 226734), (93, 212106), (106, 186093), (138, 142941), (159, 124062), (174, 113367), (186, 106053), (207, 95294), (261, 75578), (279, 70702), (318, 62031), (414, 47647), (477, 41354), (522, 37789), (558, 35351), (667, 29574), (713, 27666), (899, 21942), (954, 20677), (1219, 16182), (1334, 14787), (1426, 13833), (1537, 12834), (1643, 12006), (1798, 10971), (2001, 9858), (2139, 9222), (2438, 8091), (2697, 7314), (3074, 6417), (3286, 6003), (3657, 5394), (4002, 4929), (4278, 4611)]