18175716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 50266944

約数和(自身を除く): 32091228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 547, 639, 852, 923, 1094, 1278, 1641, 1846, 2188, 2556, 2769, 3282, 3692, 4923, 5538, 6564, 7111, 8307, 9846, 11076, 14222, 16614, 19692, 21333, 28444, 33228, 38837, 42666, 63999, 77674, 85332, 116511, 127998, 155348, 233022, 255996, 349533, 466044, 504881, 699066, 1009762, 1398132, 1514643, 2019524, 3029286, 4543929, 6058572, 9087858, 18175716]

約数ペア:

[(1, 18175716), (2, 9087858), (3, 6058572), (4, 4543929), (6, 3029286), (9, 2019524), (12, 1514643), (13, 1398132), (18, 1009762), (26, 699066), (36, 504881), (39, 466044), (52, 349533), (71, 255996), (78, 233022), (117, 155348), (142, 127998), (156, 116511), (213, 85332), (234, 77674), (284, 63999), (426, 42666), (468, 38837), (547, 33228), (639, 28444), (852, 21333), (923, 19692), (1094, 16614), (1278, 14222), (1641, 11076), (1846, 9846), (2188, 8307), (2556, 7111), (2769, 6564), (3282, 5538), (3692, 4923)]