19597518

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27404082

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 46, 54, 62, 69, 93, 138, 186, 207, 279, 414, 509, 558, 621, 713, 837, 1018, 1242, 1426, 1527, 1674, 2139, 3054, 4278, 4581, 6417, 9162, 11707, 12834, 13743, 15779, 19251, 23414, 27486, 31558, 35121, 38502, 47337, 70242, 94674, 105363, 142011, 210726, 284022, 316089, 362917, 426033, 632178, 725834, 852066, 1088751, 2177502, 3266253, 6532506, 9798759, 19597518]

約数ペア:

[(1, 19597518), (2, 9798759), (3, 6532506), (6, 3266253), (9, 2177502), (18, 1088751), (23, 852066), (27, 725834), (31, 632178), (46, 426033), (54, 362917), (62, 316089), (69, 284022), (93, 210726), (138, 142011), (186, 105363), (207, 94674), (279, 70242), (414, 47337), (509, 38502), (558, 35121), (621, 31558), (713, 27486), (837, 23414), (1018, 19251), (1242, 15779), (1426, 13743), (1527, 12834), (1674, 11707), (2139, 9162), (3054, 6417), (4278, 4581)]