18767060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 27802540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 131, 145, 190, 247, 260, 262, 290, 377, 380, 494, 524, 551, 580, 655, 754, 988, 1102, 1235, 1310, 1508, 1703, 1885, 2204, 2470, 2489, 2620, 2755, 3406, 3770, 3799, 4940, 4978, 5510, 6812, 7163, 7540, 7598, 8515, 9956, 11020, 12445, 14326, 15196, 17030, 18995, 24890, 28652, 32357, 34060, 35815, 37990, 49387, 49780, 64714, 71630, 72181, 75980, 98774, 129428, 143260, 144362, 161785, 197548, 246935, 288724, 323570, 360905, 493870, 647140, 721810, 938353, 987740, 1443620, 1876706, 3753412, 4691765, 9383530, 18767060]

約数ペア:

[(1, 18767060), (2, 9383530), (4, 4691765), (5, 3753412), (10, 1876706), (13, 1443620), (19, 987740), (20, 938353), (26, 721810), (29, 647140), (38, 493870), (52, 360905), (58, 323570), (65, 288724), (76, 246935), (95, 197548), (116, 161785), (130, 144362), (131, 143260), (145, 129428), (190, 98774), (247, 75980), (260, 72181), (262, 71630), (290, 64714), (377, 49780), (380, 49387), (494, 37990), (524, 35815), (551, 34060), (580, 32357), (655, 28652), (754, 24890), (988, 18995), (1102, 17030), (1235, 15196), (1310, 14326), (1508, 12445), (1703, 11020), (1885, 9956), (2204, 8515), (2470, 7598), (2489, 7540), (2620, 7163), (2755, 6812), (3406, 5510), (3770, 4978), (3799, 4940)]