19917630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33995970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1039, 1065, 1278, 1917, 2078, 2130, 3117, 3195, 3834, 5195, 6234, 6390, 9351, 9585, 10390, 15585, 18702, 19170, 28053, 31170, 46755, 56106, 73769, 93510, 140265, 147538, 221307, 280530, 368845, 442614, 663921, 737690, 1106535, 1327842, 1991763, 2213070, 3319605, 3983526, 6639210, 9958815, 19917630]

約数ペア:

[(1, 19917630), (2, 9958815), (3, 6639210), (5, 3983526), (6, 3319605), (9, 2213070), (10, 1991763), (15, 1327842), (18, 1106535), (27, 737690), (30, 663921), (45, 442614), (54, 368845), (71, 280530), (90, 221307), (135, 147538), (142, 140265), (213, 93510), (270, 73769), (355, 56106), (426, 46755), (639, 31170), (710, 28053), (1039, 19170), (1065, 18702), (1278, 15585), (1917, 10390), (2078, 9585), (2130, 9351), (3117, 6390), (3195, 6234), (3834, 5195)]