18237590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 39384576

約数和(自身を除く): 21146986

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 73, 83, 86, 146, 166, 215, 301, 365, 415, 430, 511, 581, 602, 730, 830, 1022, 1162, 1505, 2555, 2905, 3010, 3139, 3569, 5110, 5810, 6059, 6278, 7138, 12118, 15695, 17845, 21973, 24983, 30295, 31390, 35690, 42413, 43946, 49966, 60590, 84826, 109865, 124915, 212065, 219730, 249830, 260537, 424130, 521074, 1302685, 1823759, 2605370, 3647518, 9118795, 18237590]

約数ペア:

[(1, 18237590), (2, 9118795), (5, 3647518), (7, 2605370), (10, 1823759), (14, 1302685), (35, 521074), (43, 424130), (70, 260537), (73, 249830), (83, 219730), (86, 212065), (146, 124915), (166, 109865), (215, 84826), (301, 60590), (365, 49966), (415, 43946), (430, 42413), (511, 35690), (581, 31390), (602, 30295), (730, 24983), (830, 21973), (1022, 17845), (1162, 15695), (1505, 12118), (2555, 7138), (2905, 6278), (3010, 6059), (3139, 5810), (3569, 5110)]