18503760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 64424448

約数和(自身を除く): 45920688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 163, 165, 172, 176, 215, 220, 240, 258, 264, 326, 330, 344, 430, 440, 473, 489, 516, 528, 645, 652, 660, 688, 815, 860, 880, 946, 978, 1032, 1290, 1304, 1320, 1419, 1630, 1720, 1793, 1892, 1956, 2064, 2365, 2445, 2580, 2608, 2640, 2838, 3260, 3440, 3586, 3784, 3912, 4730, 4890, 5160, 5379, 5676, 6520, 7009, 7095, 7172, 7568, 7824, 8965, 9460, 9780, 10320, 10758, 11352, 13040, 14018, 14190, 14344, 17930, 18920, 19560, 21027, 21516, 22704, 26895, 28036, 28380, 28688, 35045, 35860, 37840, 39120, 42054, 43032, 53790, 56072, 56760, 70090, 71720, 77099, 84108, 86064, 105135, 107580, 112144, 113520, 140180, 143440, 154198, 168216, 210270, 215160, 231297, 280360, 308396, 336432, 385495, 420540, 430320, 462594, 560720, 616792, 770990, 841080, 925188, 1156485, 1233584, 1541980, 1682160, 1850376, 2312970, 3083960, 3700752, 4625940, 6167920, 9251880, 18503760]

約数ペア:

[(1, 18503760), (2, 9251880), (3, 6167920), (4, 4625940), (5, 3700752), (6, 3083960), (8, 2312970), (10, 1850376), (11, 1682160), (12, 1541980), (15, 1233584), (16, 1156485), (20, 925188), (22, 841080), (24, 770990), (30, 616792), (33, 560720), (40, 462594), (43, 430320), (44, 420540), (48, 385495), (55, 336432), (60, 308396), (66, 280360), (80, 231297), (86, 215160), (88, 210270), (110, 168216), (120, 154198), (129, 143440), (132, 140180), (163, 113520), (165, 112144), (172, 107580), (176, 105135), (215, 86064), (220, 84108), (240, 77099), (258, 71720), (264, 70090), (326, 56760), (330, 56072), (344, 53790), (430, 43032), (440, 42054), (473, 39120), (489, 37840), (516, 35860), (528, 35045), (645, 28688), (652, 28380), (660, 28036), (688, 26895), (815, 22704), (860, 21516), (880, 21027), (946, 19560), (978, 18920), (1032, 17930), (1290, 14344), (1304, 14190), (1320, 14018), (1419, 13040), (1630, 11352), (1720, 10758), (1793, 10320), (1892, 9780), (1956, 9460), (2064, 8965), (2365, 7824), (2445, 7568), (2580, 7172), (2608, 7095), (2640, 7009), (2838, 6520), (3260, 5676), (3440, 5379), (3586, 5160), (3784, 4890), (3912, 4730)]