19995426276

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{74411}}^1$

素因数の和:74889

約数の個数: 72

約数和(自身を含む): 54392790816

約数和(自身を除く): 34397364540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 457, 588, 914, 1371, 1828, 2742, 3199, 5484, 6398, 9597, 12796, 19194, 22393, 38388, 44786, 67179, 74411, 89572, 134358, 148822, 223233, 268716, 297644, 446466, 520877, 892932, 1041754, 1562631, 2083508, 3125262, 3646139, 6250524, 7292278, 10938417, 14584556, 21876834, 34005827, 43753668, 68011654, 102017481, 136023308, 204034962, 238040789, 408069924, 476081578, 714122367, 952163156, 1428244734, 1666285523, 2856489468, 3332571046, 4998856569, 6665142092, 9997713138, 19995426276]

約数ペア:

[(1, 19995426276), (2, 9997713138), (3, 6665142092), (4, 4998856569), (6, 3332571046), (7, 2856489468), (12, 1666285523), (14, 1428244734), (21, 952163156), (28, 714122367), (42, 476081578), (49, 408069924), (84, 238040789), (98, 204034962), (147, 136023308), (196, 102017481), (294, 68011654), (457, 43753668), (588, 34005827), (914, 21876834), (1371, 14584556), (1828, 10938417), (2742, 7292278), (3199, 6250524), (5484, 3646139), (6398, 3125262), (9597, 2083508), (12796, 1562631), (19194, 1041754), (22393, 892932), (38388, 520877), (44786, 446466), (67179, 297644), (74411, 268716), (89572, 223233), (134358, 148822)]