18746630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 40808448

約数和(自身を除く): 22061818

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 53, 62, 70, 106, 155, 163, 217, 265, 310, 326, 371, 434, 530, 742, 815, 1085, 1141, 1630, 1643, 1855, 2170, 2282, 3286, 3710, 5053, 5705, 8215, 8639, 10106, 11410, 11501, 16430, 17278, 23002, 25265, 35371, 43195, 50530, 57505, 60473, 70742, 86390, 115010, 120946, 176855, 267809, 302365, 353710, 535618, 604730, 1339045, 1874663, 2678090, 3749326, 9373315, 18746630]

約数ペア:

[(1, 18746630), (2, 9373315), (5, 3749326), (7, 2678090), (10, 1874663), (14, 1339045), (31, 604730), (35, 535618), (53, 353710), (62, 302365), (70, 267809), (106, 176855), (155, 120946), (163, 115010), (217, 86390), (265, 70742), (310, 60473), (326, 57505), (371, 50530), (434, 43195), (530, 35371), (742, 25265), (815, 23002), (1085, 17278), (1141, 16430), (1630, 11501), (1643, 11410), (1855, 10106), (2170, 8639), (2282, 8215), (3286, 5705), (3710, 5053)]