17912820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 52998624

約数和(自身を除く): 35085804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 827, 1083, 1140, 1444, 1654, 1805, 2166, 2481, 3308, 3610, 4135, 4332, 4962, 5415, 7220, 8270, 9924, 10830, 12405, 15713, 16540, 21660, 24810, 31426, 47139, 49620, 62852, 78565, 94278, 157130, 188556, 235695, 298547, 314260, 471390, 597094, 895641, 942780, 1194188, 1492735, 1791282, 2985470, 3582564, 4478205, 5970940, 8956410, 17912820]

約数ペア:

[(1, 17912820), (2, 8956410), (3, 5970940), (4, 4478205), (5, 3582564), (6, 2985470), (10, 1791282), (12, 1492735), (15, 1194188), (19, 942780), (20, 895641), (30, 597094), (38, 471390), (57, 314260), (60, 298547), (76, 235695), (95, 188556), (114, 157130), (190, 94278), (228, 78565), (285, 62852), (361, 49620), (380, 47139), (570, 31426), (722, 24810), (827, 21660), (1083, 16540), (1140, 15713), (1444, 12405), (1654, 10830), (1805, 9924), (2166, 8270), (2481, 7220), (3308, 5415), (3610, 4962), (4135, 4332)]