18636768

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 53457768

約数和(自身を除く): 34821000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 397, 489, 652, 794, 978, 1191, 1304, 1467, 1588, 1956, 2382, 2608, 2934, 3176, 3573, 3912, 4764, 5216, 5868, 6352, 7146, 7824, 9528, 11736, 12704, 14292, 15648, 19056, 23472, 28584, 38112, 46944, 57168, 64711, 114336, 129422, 194133, 258844, 388266, 517688, 582399, 776532, 1035376, 1164798, 1553064, 2070752, 2329596, 3106128, 4659192, 6212256, 9318384, 18636768]

約数ペア:

[(1, 18636768), (2, 9318384), (3, 6212256), (4, 4659192), (6, 3106128), (8, 2329596), (9, 2070752), (12, 1553064), (16, 1164798), (18, 1035376), (24, 776532), (32, 582399), (36, 517688), (48, 388266), (72, 258844), (96, 194133), (144, 129422), (163, 114336), (288, 64711), (326, 57168), (397, 46944), (489, 38112), (652, 28584), (794, 23472), (978, 19056), (1191, 15648), (1304, 14292), (1467, 12704), (1588, 11736), (1956, 9528), (2382, 7824), (2608, 7146), (2934, 6352), (3176, 5868), (3573, 5216), (3912, 4764)]