17846890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 18441110

約数列:

[1, 2, 5, 10, 19, 29, 38, 41, 58, 79, 82, 95, 145, 158, 190, 205, 290, 395, 410, 551, 779, 790, 1102, 1189, 1501, 1558, 2291, 2378, 2755, 3002, 3239, 3895, 4582, 5510, 5945, 6478, 7505, 7790, 11455, 11890, 15010, 16195, 22591, 22910, 32390, 43529, 45182, 61541, 87058, 93931, 112955, 123082, 187862, 217645, 225910, 307705, 435290, 469655, 615410, 939310, 1784689, 3569378, 8923445, 17846890]

約数ペア:

[(1, 17846890), (2, 8923445), (5, 3569378), (10, 1784689), (19, 939310), (29, 615410), (38, 469655), (41, 435290), (58, 307705), (79, 225910), (82, 217645), (95, 187862), (145, 123082), (158, 112955), (190, 93931), (205, 87058), (290, 61541), (395, 45182), (410, 43529), (551, 32390), (779, 22910), (790, 22591), (1102, 16195), (1189, 15010), (1501, 11890), (1558, 11455), (2291, 7790), (2378, 7505), (2755, 6478), (3002, 5945), (3239, 5510), (3895, 4582)]