18236240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 52068096

約数和(自身を除く): 33831856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 53, 55, 68, 80, 85, 88, 92, 106, 110, 115, 136, 170, 176, 184, 187, 212, 220, 230, 253, 265, 272, 340, 368, 374, 391, 424, 440, 460, 506, 530, 583, 680, 748, 782, 848, 880, 901, 920, 935, 1012, 1060, 1166, 1219, 1265, 1360, 1496, 1564, 1802, 1840, 1870, 1955, 2024, 2120, 2332, 2438, 2530, 2915, 2992, 3128, 3604, 3740, 3910, 4048, 4240, 4301, 4505, 4664, 4876, 5060, 5830, 6095, 6256, 7208, 7480, 7820, 8602, 9010, 9328, 9752, 9911, 10120, 11660, 12190, 13409, 14416, 14960, 15640, 17204, 18020, 19504, 19822, 20240, 20723, 21505, 23320, 24380, 26818, 31280, 34408, 36040, 39644, 41446, 43010, 46640, 48760, 49555, 53636, 67045, 68816, 72080, 79288, 82892, 86020, 97520, 99110, 103615, 107272, 134090, 158576, 165784, 172040, 198220, 207230, 214544, 227953, 268180, 331568, 344080, 396440, 414460, 455906, 536360, 792880, 828920, 911812, 1072720, 1139765, 1657840, 1823624, 2279530, 3647248, 4559060, 9118120, 18236240]

約数ペア:

[(1, 18236240), (2, 9118120), (4, 4559060), (5, 3647248), (8, 2279530), (10, 1823624), (11, 1657840), (16, 1139765), (17, 1072720), (20, 911812), (22, 828920), (23, 792880), (34, 536360), (40, 455906), (44, 414460), (46, 396440), (53, 344080), (55, 331568), (68, 268180), (80, 227953), (85, 214544), (88, 207230), (92, 198220), (106, 172040), (110, 165784), (115, 158576), (136, 134090), (170, 107272), (176, 103615), (184, 99110), (187, 97520), (212, 86020), (220, 82892), (230, 79288), (253, 72080), (265, 68816), (272, 67045), (340, 53636), (368, 49555), (374, 48760), (391, 46640), (424, 43010), (440, 41446), (460, 39644), (506, 36040), (530, 34408), (583, 31280), (680, 26818), (748, 24380), (782, 23320), (848, 21505), (880, 20723), (901, 20240), (920, 19822), (935, 19504), (1012, 18020), (1060, 17204), (1166, 15640), (1219, 14960), (1265, 14416), (1360, 13409), (1496, 12190), (1564, 11660), (1802, 10120), (1840, 9911), (1870, 9752), (1955, 9328), (2024, 9010), (2120, 8602), (2332, 7820), (2438, 7480), (2530, 7208), (2915, 6256), (2992, 6095), (3128, 5830), (3604, 5060), (3740, 4876), (3910, 4664), (4048, 4505), (4240, 4301)]