18295264

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 41504400

約数和(自身を除く): 23209136

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 199, 208, 221, 272, 338, 398, 416, 442, 544, 676, 796, 884, 1352, 1592, 1768, 2587, 2704, 2873, 3184, 3383, 3536, 5174, 5408, 5746, 6368, 6766, 7072, 10348, 11492, 13532, 20696, 22984, 27064, 33631, 41392, 43979, 45968, 54128, 67262, 82784, 87958, 91936, 108256, 134524, 175916, 269048, 351832, 538096, 571727, 703664, 1076192, 1143454, 1407328, 2286908, 4573816, 9147632, 18295264]

約数ペア:

[(1, 18295264), (2, 9147632), (4, 4573816), (8, 2286908), (13, 1407328), (16, 1143454), (17, 1076192), (26, 703664), (32, 571727), (34, 538096), (52, 351832), (68, 269048), (104, 175916), (136, 134524), (169, 108256), (199, 91936), (208, 87958), (221, 82784), (272, 67262), (338, 54128), (398, 45968), (416, 43979), (442, 41392), (544, 33631), (676, 27064), (796, 22984), (884, 20696), (1352, 13532), (1592, 11492), (1768, 10348), (2587, 7072), (2704, 6766), (2873, 6368), (3184, 5746), (3383, 5408), (3536, 5174)]