19894716

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10427}}^1$

素因数の和:10490

約数の個数: 36

約数和(自身を含む): 51243192

約数和(自身を除く): 31348476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10427, 20854, 31281, 41708, 62562, 93843, 125124, 187686, 375372, 552631, 1105262, 1657893, 2210524, 3315786, 4973679, 6631572, 9947358, 19894716]

約数ペア:

[(1, 19894716), (2, 9947358), (3, 6631572), (4, 4973679), (6, 3315786), (9, 2210524), (12, 1657893), (18, 1105262), (36, 552631), (53, 375372), (106, 187686), (159, 125124), (212, 93843), (318, 62562), (477, 41708), (636, 31281), (954, 20854), (1908, 10427)]