18957840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 47037936

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, 165, 167, 172, 176, 215, 220, 240, 258, 264, 330, 334, 344, 430, 440, 473, 501, 516, 528, 645, 660, 668, 688, 835, 860, 880, 946, 1002, 1032, 1290, 1320, 1336, 1419, 1670, 1720, 1837, 1892, 2004, 2064, 2365, 2505, 2580, 2640, 2672, 2838, 3340, 3440, 3674, 3784, 4008, 4730, 5010, 5160, 5511, 5676, 6680, 7095, 7181, 7348, 7568, 8016, 9185, 9460, 10020, 10320, 11022, 11352, 13360, 14190, 14362, 14696, 18370, 18920, 20040, 21543, 22044, 22704, 27555, 28380, 28724, 29392, 35905, 36740, 37840, 40080, 43086, 44088, 55110, 56760, 57448, 71810, 73480, 78991, 86172, 88176, 107715, 110220, 113520, 114896, 143620, 146960, 157982, 172344, 215430, 220440, 236973, 287240, 315964, 344688, 394955, 430860, 440880, 473946, 574480, 631928, 789910, 861720, 947892, 1184865, 1263856, 1579820, 1723440, 1895784, 2369730, 3159640, 3791568, 4739460, 6319280, 9478920, 18957840]

約数ペア:

[(1, 18957840), (2, 9478920), (3, 6319280), (4, 4739460), (5, 3791568), (6, 3159640), (8, 2369730), (10, 1895784), (11, 1723440), (12, 1579820), (15, 1263856), (16, 1184865), (20, 947892), (22, 861720), (24, 789910), (30, 631928), (33, 574480), (40, 473946), (43, 440880), (44, 430860), (48, 394955), (55, 344688), (60, 315964), (66, 287240), (80, 236973), (86, 220440), (88, 215430), (110, 172344), (120, 157982), (129, 146960), (132, 143620), (165, 114896), (167, 113520), (172, 110220), (176, 107715), (215, 88176), (220, 86172), (240, 78991), (258, 73480), (264, 71810), (330, 57448), (334, 56760), (344, 55110), (430, 44088), (440, 43086), (473, 40080), (501, 37840), (516, 36740), (528, 35905), (645, 29392), (660, 28724), (668, 28380), (688, 27555), (835, 22704), (860, 22044), (880, 21543), (946, 20040), (1002, 18920), (1032, 18370), (1290, 14696), (1320, 14362), (1336, 14190), (1419, 13360), (1670, 11352), (1720, 11022), (1837, 10320), (1892, 10020), (2004, 9460), (2064, 9185), (2365, 8016), (2505, 7568), (2580, 7348), (2640, 7181), (2672, 7095), (2838, 6680), (3340, 5676), (3440, 5511), (3674, 5160), (3784, 5010), (4008, 4730)]