1993921864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{2141}}^1$

素因数の和:2734

約数の個数: 64

約数和(自身を含む): 4302849600

約数和(自身を除く): 2308927736

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 557, 836, 1114, 1672, 2141, 2228, 4282, 4456, 6127, 8564, 10583, 12254, 17128, 21166, 23551, 24508, 40679, 42332, 47102, 49016, 81358, 84664, 94204, 116413, 162716, 188408, 232826, 325432, 447469, 465652, 894938, 931304, 1192537, 1789876, 2385074, 3579752, 4770148, 9540296, 13117907, 22658203, 26235814, 45316406, 52471628, 90632812, 104943256, 181265624, 249240233, 498480466, 996960932, 1993921864]

約数ペア:

[(1, 1993921864), (2, 996960932), (4, 498480466), (8, 249240233), (11, 181265624), (19, 104943256), (22, 90632812), (38, 52471628), (44, 45316406), (76, 26235814), (88, 22658203), (152, 13117907), (209, 9540296), (418, 4770148), (557, 3579752), (836, 2385074), (1114, 1789876), (1672, 1192537), (2141, 931304), (2228, 894938), (4282, 465652), (4456, 447469), (6127, 325432), (8564, 232826), (10583, 188408), (12254, 162716), (17128, 116413), (21166, 94204), (23551, 84664), (24508, 81358), (40679, 49016), (42332, 47102)]