18968076

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 50083488

約数和(自身を除く): 31115412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 71, 82, 123, 142, 164, 181, 213, 246, 284, 362, 369, 426, 492, 543, 639, 724, 738, 852, 1086, 1278, 1476, 1629, 2172, 2556, 2911, 3258, 5822, 6516, 7421, 8733, 11644, 12851, 14842, 17466, 22263, 25702, 26199, 29684, 34932, 38553, 44526, 51404, 52398, 66789, 77106, 89052, 104796, 115659, 133578, 154212, 231318, 267156, 462636, 526891, 1053782, 1580673, 2107564, 3161346, 4742019, 6322692, 9484038, 18968076]

約数ペア:

[(1, 18968076), (2, 9484038), (3, 6322692), (4, 4742019), (6, 3161346), (9, 2107564), (12, 1580673), (18, 1053782), (36, 526891), (41, 462636), (71, 267156), (82, 231318), (123, 154212), (142, 133578), (164, 115659), (181, 104796), (213, 89052), (246, 77106), (284, 66789), (362, 52398), (369, 51404), (426, 44526), (492, 38553), (543, 34932), (639, 29684), (724, 26199), (738, 25702), (852, 22263), (1086, 17466), (1278, 14842), (1476, 12851), (1629, 11644), (2172, 8733), (2556, 7421), (2911, 6516), (3258, 5822)]