19617668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 41094144

約数和(自身を除く): 21476476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 97, 124, 194, 217, 233, 388, 434, 466, 679, 868, 932, 1358, 1631, 2716, 3007, 3262, 6014, 6524, 7223, 12028, 14446, 21049, 22601, 28892, 42098, 45202, 50561, 84196, 90404, 101122, 158207, 202244, 316414, 632828, 700631, 1401262, 2802524, 4904417, 9808834, 19617668]

約数ペア:

[(1, 19617668), (2, 9808834), (4, 4904417), (7, 2802524), (14, 1401262), (28, 700631), (31, 632828), (62, 316414), (97, 202244), (124, 158207), (194, 101122), (217, 90404), (233, 84196), (388, 50561), (434, 45202), (466, 42098), (679, 28892), (868, 22601), (932, 21049), (1358, 14446), (1631, 12028), (2716, 7223), (3007, 6524), (3262, 6014)]