19878630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 50189760

約数和(自身を除く): 30311130

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 73, 87, 145, 146, 174, 219, 290, 313, 365, 435, 438, 626, 730, 870, 939, 1095, 1565, 1878, 2117, 2190, 3130, 4234, 4695, 6351, 9077, 9390, 10585, 12702, 18154, 21170, 22849, 27231, 31755, 45385, 45698, 54462, 63510, 68547, 90770, 114245, 136155, 137094, 228490, 272310, 342735, 662621, 685470, 1325242, 1987863, 3313105, 3975726, 6626210, 9939315, 19878630]

約数ペア:

[(1, 19878630), (2, 9939315), (3, 6626210), (5, 3975726), (6, 3313105), (10, 1987863), (15, 1325242), (29, 685470), (30, 662621), (58, 342735), (73, 272310), (87, 228490), (145, 137094), (146, 136155), (174, 114245), (219, 90770), (290, 68547), (313, 63510), (365, 54462), (435, 45698), (438, 45385), (626, 31755), (730, 27231), (870, 22849), (939, 21170), (1095, 18154), (1565, 12702), (1878, 10585), (2117, 9390), (2190, 9077), (3130, 6351), (4234, 4695)]