19691784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 61776000

約数和(自身を除く): 42084216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 89, 126, 168, 178, 252, 267, 356, 439, 504, 534, 623, 712, 801, 878, 1068, 1246, 1317, 1602, 1756, 1869, 2136, 2492, 2634, 3073, 3204, 3512, 3738, 3951, 4984, 5268, 5607, 6146, 6408, 7476, 7902, 9219, 10536, 11214, 12292, 14952, 15804, 18438, 22428, 24584, 27657, 31608, 36876, 39071, 44856, 55314, 73752, 78142, 110628, 117213, 156284, 221256, 234426, 273497, 312568, 351639, 468852, 546994, 703278, 820491, 937704, 1093988, 1406556, 1640982, 2187976, 2461473, 2813112, 3281964, 4922946, 6563928, 9845892, 19691784]

約数ペア:

[(1, 19691784), (2, 9845892), (3, 6563928), (4, 4922946), (6, 3281964), (7, 2813112), (8, 2461473), (9, 2187976), (12, 1640982), (14, 1406556), (18, 1093988), (21, 937704), (24, 820491), (28, 703278), (36, 546994), (42, 468852), (56, 351639), (63, 312568), (72, 273497), (84, 234426), (89, 221256), (126, 156284), (168, 117213), (178, 110628), (252, 78142), (267, 73752), (356, 55314), (439, 44856), (504, 39071), (534, 36876), (623, 31608), (712, 27657), (801, 24584), (878, 22428), (1068, 18438), (1246, 15804), (1317, 14952), (1602, 12292), (1756, 11214), (1869, 10536), (2136, 9219), (2492, 7902), (2634, 7476), (3073, 6408), (3204, 6146), (3512, 5607), (3738, 5268), (3951, 4984)]