18925216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1831}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 41549760

約数和(自身を除く): 22624544

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1831, 2584, 3662, 5168, 7324, 10336, 14648, 29296, 31127, 34789, 58592, 62254, 69578, 124508, 139156, 249016, 278312, 498032, 556624, 591413, 996064, 1113248, 1182826, 2365652, 4731304, 9462608, 18925216]

約数ペア:

[(1, 18925216), (2, 9462608), (4, 4731304), (8, 2365652), (16, 1182826), (17, 1113248), (19, 996064), (32, 591413), (34, 556624), (38, 498032), (68, 278312), (76, 249016), (136, 139156), (152, 124508), (272, 69578), (304, 62254), (323, 58592), (544, 34789), (608, 31127), (646, 29296), (1292, 14648), (1831, 10336), (2584, 7324), (3662, 5168)]