18933330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 50117760

約数和(自身を除く): 31184430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1129, 1290, 1677, 2258, 2795, 3354, 3387, 5590, 5645, 6774, 8385, 11290, 14677, 16770, 16935, 29354, 33870, 44031, 48547, 73385, 88062, 97094, 145641, 146770, 220155, 242735, 291282, 440310, 485470, 631111, 728205, 1262222, 1456410, 1893333, 3155555, 3786666, 6311110, 9466665, 18933330]

約数ペア:

[(1, 18933330), (2, 9466665), (3, 6311110), (5, 3786666), (6, 3155555), (10, 1893333), (13, 1456410), (15, 1262222), (26, 728205), (30, 631111), (39, 485470), (43, 440310), (65, 291282), (78, 242735), (86, 220155), (129, 146770), (130, 145641), (195, 97094), (215, 88062), (258, 73385), (390, 48547), (430, 44031), (559, 33870), (645, 29354), (1118, 16935), (1129, 16770), (1290, 14677), (1677, 11290), (2258, 8385), (2795, 6774), (3354, 5645), (3387, 5590)]