19928412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2599

約数の個数: 72

約数和(自身を含む): 59451392

約数和(自身を除く): 39522980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2551, 2604, 3906, 5102, 7653, 7812, 10204, 15306, 17857, 22959, 30612, 35714, 45918, 53571, 71428, 79081, 91836, 107142, 158162, 160713, 214284, 237243, 316324, 321426, 474486, 553567, 642852, 711729, 948972, 1107134, 1423458, 1660701, 2214268, 2846916, 3321402, 4982103, 6642804, 9964206, 19928412]

約数ペア:

[(1, 19928412), (2, 9964206), (3, 6642804), (4, 4982103), (6, 3321402), (7, 2846916), (9, 2214268), (12, 1660701), (14, 1423458), (18, 1107134), (21, 948972), (28, 711729), (31, 642852), (36, 553567), (42, 474486), (62, 321426), (63, 316324), (84, 237243), (93, 214284), (124, 160713), (126, 158162), (186, 107142), (217, 91836), (252, 79081), (279, 71428), (372, 53571), (434, 45918), (558, 35714), (651, 30612), (868, 22959), (1116, 17857), (1302, 15306), (1953, 10204), (2551, 7812), (2604, 7653), (3906, 5102)]