19316590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 38292912

約数和(自身を除く): 18976322

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 83, 85, 166, 170, 185, 370, 415, 629, 830, 1258, 1369, 1411, 2738, 2822, 3071, 3145, 6142, 6290, 6845, 7055, 13690, 14110, 15355, 23273, 30710, 46546, 52207, 104414, 113627, 116365, 227254, 232730, 261035, 522070, 568135, 1136270, 1931659, 3863318, 9658295, 19316590]

約数ペア:

[(1, 19316590), (2, 9658295), (5, 3863318), (10, 1931659), (17, 1136270), (34, 568135), (37, 522070), (74, 261035), (83, 232730), (85, 227254), (166, 116365), (170, 113627), (185, 104414), (370, 52207), (415, 46546), (629, 30710), (830, 23273), (1258, 15355), (1369, 14110), (1411, 13690), (2738, 7055), (2822, 6845), (3071, 6290), (3145, 6142)]