19662870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 29870250

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 97, 145, 174, 194, 233, 290, 291, 435, 466, 485, 582, 699, 870, 970, 1165, 1398, 1455, 2330, 2813, 2910, 3495, 5626, 6757, 6990, 8439, 13514, 14065, 16878, 20271, 22601, 28130, 33785, 40542, 42195, 45202, 67570, 67803, 84390, 101355, 113005, 135606, 202710, 226010, 339015, 655429, 678030, 1310858, 1966287, 3277145, 3932574, 6554290, 9831435, 19662870]

約数ペア:

[(1, 19662870), (2, 9831435), (3, 6554290), (5, 3932574), (6, 3277145), (10, 1966287), (15, 1310858), (29, 678030), (30, 655429), (58, 339015), (87, 226010), (97, 202710), (145, 135606), (174, 113005), (194, 101355), (233, 84390), (290, 67803), (291, 67570), (435, 45202), (466, 42195), (485, 40542), (582, 33785), (699, 28130), (870, 22601), (970, 20271), (1165, 16878), (1398, 14065), (1455, 13514), (2330, 8439), (2813, 6990), (2910, 6757), (3495, 5626)]