19270458

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 44141760

約数和(自身を除く): 24871302

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 523, 534, 801, 1046, 1569, 1602, 2047, 3138, 4094, 4707, 6141, 9414, 12029, 12282, 18423, 24058, 36087, 36846, 46547, 72174, 93094, 108261, 139641, 216522, 279282, 418923, 837846, 1070581, 2141162, 3211743, 6423486, 9635229, 19270458]

約数ペア:

[(1, 19270458), (2, 9635229), (3, 6423486), (6, 3211743), (9, 2141162), (18, 1070581), (23, 837846), (46, 418923), (69, 279282), (89, 216522), (138, 139641), (178, 108261), (207, 93094), (267, 72174), (414, 46547), (523, 36846), (534, 36087), (801, 24058), (1046, 18423), (1569, 12282), (1602, 12029), (2047, 9414), (3138, 6141), (4094, 4707)]