19618430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{659}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 18635170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 659, 1145, 1318, 2290, 2977, 3295, 5954, 6590, 8567, 14885, 17134, 29770, 42835, 85670, 150911, 301822, 754555, 1509110, 1961843, 3923686, 9809215, 19618430]

約数ペア:

[(1, 19618430), (2, 9809215), (5, 3923686), (10, 1961843), (13, 1509110), (26, 754555), (65, 301822), (130, 150911), (229, 85670), (458, 42835), (659, 29770), (1145, 17134), (1318, 14885), (2290, 8567), (2977, 6590), (3295, 5954)]