18400284220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1319963}}^1$

素因数の和:1320030

約数の個数: 48

約数和(自身を含む): 41911496928

約数和(自身を除く): 23511212708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 1319963, 2639926, 5279852, 6599815, 13199630, 22439371, 26399260, 44878742, 54118483, 89757484, 108236966, 112196855, 216473932, 224393710, 270592415, 448787420, 541184830, 920014211, 1082369660, 1840028422, 3680056844, 4600071055, 9200142110, 18400284220]

約数ペア:

[(1, 18400284220), (2, 9200142110), (4, 4600071055), (5, 3680056844), (10, 1840028422), (17, 1082369660), (20, 920014211), (34, 541184830), (41, 448787420), (68, 270592415), (82, 224393710), (85, 216473932), (164, 112196855), (170, 108236966), (205, 89757484), (340, 54118483), (410, 44878742), (697, 26399260), (820, 22439371), (1394, 13199630), (2788, 6599815), (3485, 5279852), (6970, 2639926), (13940, 1319963)]