19636694780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 42350817600

約数和(自身を除く): 22714122820

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 233, 356, 419, 445, 452, 466, 565, 838, 890, 932, 1130, 1165, 1676, 1780, 2095, 2260, 2330, 4190, 4660, 8380, 10057, 20114, 20737, 26329, 37291, 40228, 41474, 47347, 50285, 52658, 74582, 82948, 94694, 97627, 100570, 103685, 105316, 131645, 149164, 186455, 189388, 195254, 201140, 207370, 236735, 263290, 372910, 390508, 414740, 473470, 488135, 526580, 745820, 946940, 976270, 1952540, 2343281, 4213883, 4686562, 8427766, 8688803, 9373124, 11031851, 11716405, 16855532, 17377606, 21069415, 22063702, 23432810, 34755212, 42138830, 43444015, 44127404, 46865620, 55159255, 84277660, 86888030, 110318510, 173776060, 220637020, 981834739, 1963669478, 3927338956, 4909173695, 9818347390, 19636694780]

約数ペア:

[(1, 19636694780), (2, 9818347390), (4, 4909173695), (5, 3927338956), (10, 1963669478), (20, 981834739), (89, 220637020), (113, 173776060), (178, 110318510), (226, 86888030), (233, 84277660), (356, 55159255), (419, 46865620), (445, 44127404), (452, 43444015), (466, 42138830), (565, 34755212), (838, 23432810), (890, 22063702), (932, 21069415), (1130, 17377606), (1165, 16855532), (1676, 11716405), (1780, 11031851), (2095, 9373124), (2260, 8688803), (2330, 8427766), (4190, 4686562), (4660, 4213883), (8380, 2343281), (10057, 1952540), (20114, 976270), (20737, 946940), (26329, 745820), (37291, 526580), (40228, 488135), (41474, 473470), (47347, 414740), (50285, 390508), (52658, 372910), (74582, 263290), (82948, 236735), (94694, 207370), (97627, 201140), (100570, 195254), (103685, 189388), (105316, 186455), (131645, 149164)]