18931390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 35479296

約数和(自身を除く): 16547906

約数列:

[1, 2, 5, 10, 31, 62, 155, 173, 310, 346, 353, 706, 865, 1730, 1765, 3530, 5363, 10726, 10943, 21886, 26815, 53630, 54715, 61069, 109430, 122138, 305345, 610690, 1893139, 3786278, 9465695, 18931390]

約数ペア:

[(1, 18931390), (2, 9465695), (5, 3786278), (10, 1893139), (31, 610690), (62, 305345), (155, 122138), (173, 109430), (310, 61069), (346, 54715), (353, 53630), (706, 26815), (865, 21886), (1730, 10943), (1765, 10726), (3530, 5363)]