19728276

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 47943168

約数和(自身を除く): 28214892

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 181, 186, 293, 362, 372, 543, 586, 724, 879, 1086, 1172, 1758, 2172, 3516, 5611, 9083, 11222, 16833, 18166, 22444, 27249, 33666, 36332, 53033, 54498, 67332, 106066, 108996, 159099, 212132, 318198, 636396, 1644023, 3288046, 4932069, 6576092, 9864138, 19728276]

約数ペア:

[(1, 19728276), (2, 9864138), (3, 6576092), (4, 4932069), (6, 3288046), (12, 1644023), (31, 636396), (62, 318198), (93, 212132), (124, 159099), (181, 108996), (186, 106066), (293, 67332), (362, 54498), (372, 53033), (543, 36332), (586, 33666), (724, 27249), (879, 22444), (1086, 18166), (1172, 16833), (1758, 11222), (2172, 9083), (3516, 5611)]