19773890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2837}}^1$

素因数の和:2902

約数の個数: 32

約数和(自身を含む): 38619504

約数和(自身を除く): 18845614

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 2837, 3485, 5674, 6970, 14185, 28370, 48229, 96458, 116317, 232634, 241145, 482290, 581585, 1163170, 1977389, 3954778, 9886945, 19773890]

約数ペア:

[(1, 19773890), (2, 9886945), (5, 3954778), (10, 1977389), (17, 1163170), (34, 581585), (41, 482290), (82, 241145), (85, 232634), (170, 116317), (205, 96458), (410, 48229), (697, 28370), (1394, 14185), (2837, 6970), (3485, 5674)]