19895712

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 56391552

約数和(自身を除く): 36495840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 73, 96, 102, 136, 146, 167, 204, 219, 272, 292, 334, 408, 438, 501, 544, 584, 668, 816, 876, 1002, 1168, 1241, 1336, 1632, 1752, 2004, 2336, 2482, 2672, 2839, 3504, 3723, 4008, 4964, 5344, 5678, 7008, 7446, 8016, 8517, 9928, 11356, 12191, 14892, 16032, 17034, 19856, 22712, 24382, 29784, 34068, 36573, 39712, 45424, 48764, 59568, 68136, 73146, 90848, 97528, 119136, 136272, 146292, 195056, 207247, 272544, 292584, 390112, 414494, 585168, 621741, 828988, 1170336, 1243482, 1657976, 2486964, 3315952, 4973928, 6631904, 9947856, 19895712]

約数ペア:

[(1, 19895712), (2, 9947856), (3, 6631904), (4, 4973928), (6, 3315952), (8, 2486964), (12, 1657976), (16, 1243482), (17, 1170336), (24, 828988), (32, 621741), (34, 585168), (48, 414494), (51, 390112), (68, 292584), (73, 272544), (96, 207247), (102, 195056), (136, 146292), (146, 136272), (167, 119136), (204, 97528), (219, 90848), (272, 73146), (292, 68136), (334, 59568), (408, 48764), (438, 45424), (501, 39712), (544, 36573), (584, 34068), (668, 29784), (816, 24382), (876, 22712), (1002, 19856), (1168, 17034), (1241, 16032), (1336, 14892), (1632, 12191), (1752, 11356), (2004, 9928), (2336, 8517), (2482, 8016), (2672, 7446), (2839, 7008), (3504, 5678), (3723, 5344), (4008, 4964)]