1820493056

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16273}}^1$

素因数の和:16331

約数の個数: 72

約数和(自身を含む): 3991686720

約数和(自身を除く): 2171193664

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 256, 304, 368, 437, 608, 736, 874, 1216, 1472, 1748, 2432, 2944, 3496, 4864, 5888, 6992, 13984, 16273, 27968, 32546, 55936, 65092, 111872, 130184, 260368, 309187, 374279, 520736, 618374, 748558, 1041472, 1236748, 1497116, 2082944, 2473496, 2994232, 4165888, 4946992, 5988464, 7111301, 9893984, 11976928, 14222602, 19787968, 23953856, 28445204, 39575936, 47907712, 56890408, 79151872, 95815424, 113780816, 227561632, 455123264, 910246528, 1820493056]

約数ペア:

[(1, 1820493056), (2, 910246528), (4, 455123264), (8, 227561632), (16, 113780816), (19, 95815424), (23, 79151872), (32, 56890408), (38, 47907712), (46, 39575936), (64, 28445204), (76, 23953856), (92, 19787968), (128, 14222602), (152, 11976928), (184, 9893984), (256, 7111301), (304, 5988464), (368, 4946992), (437, 4165888), (608, 2994232), (736, 2473496), (874, 2082944), (1216, 1497116), (1472, 1236748), (1748, 1041472), (2432, 748558), (2944, 618374), (3496, 520736), (4864, 374279), (5888, 309187), (6992, 260368), (13984, 130184), (16273, 111872), (27968, 65092), (32546, 55936)]