17825990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 41610240

約数和(自身を除く): 23784250

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1031, 1235, 1330, 1729, 2062, 2470, 3458, 5155, 7217, 8645, 10310, 13403, 14434, 17290, 19589, 26806, 36085, 39178, 67015, 72170, 93821, 97945, 134030, 137123, 187642, 195890, 254657, 274246, 469105, 509314, 685615, 938210, 1273285, 1371230, 1782599, 2546570, 3565198, 8912995, 17825990]

約数ペア:

[(1, 17825990), (2, 8912995), (5, 3565198), (7, 2546570), (10, 1782599), (13, 1371230), (14, 1273285), (19, 938210), (26, 685615), (35, 509314), (38, 469105), (65, 274246), (70, 254657), (91, 195890), (95, 187642), (130, 137123), (133, 134030), (182, 97945), (190, 93821), (247, 72170), (266, 67015), (455, 39178), (494, 36085), (665, 26806), (910, 19589), (1031, 17290), (1235, 14434), (1330, 13403), (1729, 10310), (2062, 8645), (2470, 7217), (3458, 5155)]