19689648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 36556752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 89, 132, 176, 178, 264, 267, 356, 419, 528, 534, 712, 838, 979, 1068, 1257, 1424, 1676, 1958, 2136, 2514, 2937, 3352, 3916, 4272, 4609, 5028, 5874, 6704, 7832, 9218, 10056, 11748, 13827, 15664, 18436, 20112, 23496, 27654, 36872, 37291, 46992, 55308, 73744, 74582, 110616, 111873, 149164, 221232, 223746, 298328, 410201, 447492, 596656, 820402, 894984, 1230603, 1640804, 1789968, 2461206, 3281608, 4922412, 6563216, 9844824, 19689648]

約数ペア:

[(1, 19689648), (2, 9844824), (3, 6563216), (4, 4922412), (6, 3281608), (8, 2461206), (11, 1789968), (12, 1640804), (16, 1230603), (22, 894984), (24, 820402), (33, 596656), (44, 447492), (48, 410201), (66, 298328), (88, 223746), (89, 221232), (132, 149164), (176, 111873), (178, 110616), (264, 74582), (267, 73744), (356, 55308), (419, 46992), (528, 37291), (534, 36872), (712, 27654), (838, 23496), (979, 20112), (1068, 18436), (1257, 15664), (1424, 13827), (1676, 11748), (1958, 10056), (2136, 9218), (2514, 7832), (2937, 6704), (3352, 5874), (3916, 5028), (4272, 4609)]