18861304

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 44847360

約数和(自身を除く): 25986056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 67, 77, 88, 134, 154, 268, 308, 457, 469, 536, 616, 737, 914, 938, 1474, 1828, 1876, 2948, 3199, 3656, 3752, 5027, 5159, 5896, 6398, 10054, 10318, 12796, 20108, 20636, 25592, 30619, 35189, 40216, 41272, 61238, 70378, 122476, 140756, 214333, 244952, 281512, 336809, 428666, 673618, 857332, 1347236, 1714664, 2357663, 2694472, 4715326, 9430652, 18861304]

約数ペア:

[(1, 18861304), (2, 9430652), (4, 4715326), (7, 2694472), (8, 2357663), (11, 1714664), (14, 1347236), (22, 857332), (28, 673618), (44, 428666), (56, 336809), (67, 281512), (77, 244952), (88, 214333), (134, 140756), (154, 122476), (268, 70378), (308, 61238), (457, 41272), (469, 40216), (536, 35189), (616, 30619), (737, 25592), (914, 20636), (938, 20108), (1474, 12796), (1828, 10318), (1876, 10054), (2948, 6398), (3199, 5896), (3656, 5159), (3752, 5027)]