19538490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9173}}^1$

素因数の和:9254

約数の個数: 32

約数和(自身を含む): 47558016

約数和(自身を除く): 28019526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9173, 18346, 27519, 45865, 55038, 91730, 137595, 275190, 651283, 1302566, 1953849, 3256415, 3907698, 6512830, 9769245, 19538490]

約数ペア:

[(1, 19538490), (2, 9769245), (3, 6512830), (5, 3907698), (6, 3256415), (10, 1953849), (15, 1302566), (30, 651283), (71, 275190), (142, 137595), (213, 91730), (355, 55038), (426, 45865), (710, 27519), (1065, 18346), (2130, 9173)]