18647096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 22176904

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 199, 212, 221, 398, 424, 442, 689, 796, 884, 901, 1378, 1592, 1768, 1802, 2587, 2756, 3383, 3604, 5174, 5512, 6766, 7208, 10348, 10547, 11713, 13532, 20696, 21094, 23426, 27064, 42188, 43979, 46852, 84376, 87958, 93704, 137111, 175916, 179299, 274222, 351832, 358598, 548444, 717196, 1096888, 1434392, 2330887, 4661774, 9323548, 18647096]

約数ペア:

[(1, 18647096), (2, 9323548), (4, 4661774), (8, 2330887), (13, 1434392), (17, 1096888), (26, 717196), (34, 548444), (52, 358598), (53, 351832), (68, 274222), (104, 179299), (106, 175916), (136, 137111), (199, 93704), (212, 87958), (221, 84376), (398, 46852), (424, 43979), (442, 42188), (689, 27064), (796, 23426), (884, 21094), (901, 20696), (1378, 13532), (1592, 11713), (1768, 10547), (1802, 10348), (2587, 7208), (2756, 6766), (3383, 5512), (3604, 5174)]