19612812

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 47462912

約数和(自身を除く): 27850100

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 163, 222, 271, 326, 444, 489, 542, 652, 813, 978, 1084, 1626, 1956, 3252, 6031, 10027, 12062, 18093, 20054, 24124, 30081, 36186, 40108, 44173, 60162, 72372, 88346, 120324, 132519, 176692, 265038, 530076, 1634401, 3268802, 4903203, 6537604, 9806406, 19612812]

約数ペア:

[(1, 19612812), (2, 9806406), (3, 6537604), (4, 4903203), (6, 3268802), (12, 1634401), (37, 530076), (74, 265038), (111, 176692), (148, 132519), (163, 120324), (222, 88346), (271, 72372), (326, 60162), (444, 44173), (489, 40108), (542, 36186), (652, 30081), (813, 24124), (978, 20054), (1084, 18093), (1626, 12062), (1956, 10027), (3252, 6031)]