18076920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 54825120

約数和(自身を除く): 36748200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1553, 1940, 2328, 2910, 3106, 3880, 4659, 5820, 6212, 7765, 9318, 11640, 12424, 15530, 18636, 23295, 31060, 37272, 46590, 62120, 93180, 150641, 186360, 301282, 451923, 602564, 753205, 903846, 1205128, 1506410, 1807692, 2259615, 3012820, 3615384, 4519230, 6025640, 9038460, 18076920]

約数ペア:

[(1, 18076920), (2, 9038460), (3, 6025640), (4, 4519230), (5, 3615384), (6, 3012820), (8, 2259615), (10, 1807692), (12, 1506410), (15, 1205128), (20, 903846), (24, 753205), (30, 602564), (40, 451923), (60, 301282), (97, 186360), (120, 150641), (194, 93180), (291, 62120), (388, 46590), (485, 37272), (582, 31060), (776, 23295), (970, 18636), (1164, 15530), (1455, 12424), (1553, 11640), (1940, 9318), (2328, 7765), (2910, 6212), (3106, 5820), (3880, 4659)]