18441390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33813330

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 41, 47, 55, 58, 66, 82, 87, 94, 110, 123, 141, 145, 165, 174, 205, 235, 246, 282, 290, 319, 330, 410, 435, 451, 470, 517, 615, 638, 705, 870, 902, 957, 1034, 1189, 1230, 1353, 1363, 1410, 1551, 1595, 1914, 1927, 2255, 2378, 2585, 2706, 2726, 3102, 3190, 3567, 3854, 4089, 4510, 4785, 5170, 5781, 5945, 6765, 6815, 7134, 7755, 8178, 9570, 9635, 11562, 11890, 13079, 13530, 13630, 14993, 15510, 17835, 19270, 20445, 21197, 26158, 28905, 29986, 35670, 39237, 40890, 42394, 44979, 55883, 57810, 63591, 65395, 74965, 78474, 89958, 105985, 111766, 127182, 130790, 149930, 167649, 196185, 211970, 224895, 279415, 317955, 335298, 392370, 449790, 558830, 614713, 635910, 838245, 1229426, 1676490, 1844139, 3073565, 3688278, 6147130, 9220695, 18441390]

約数ペア:

[(1, 18441390), (2, 9220695), (3, 6147130), (5, 3688278), (6, 3073565), (10, 1844139), (11, 1676490), (15, 1229426), (22, 838245), (29, 635910), (30, 614713), (33, 558830), (41, 449790), (47, 392370), (55, 335298), (58, 317955), (66, 279415), (82, 224895), (87, 211970), (94, 196185), (110, 167649), (123, 149930), (141, 130790), (145, 127182), (165, 111766), (174, 105985), (205, 89958), (235, 78474), (246, 74965), (282, 65395), (290, 63591), (319, 57810), (330, 55883), (410, 44979), (435, 42394), (451, 40890), (470, 39237), (517, 35670), (615, 29986), (638, 28905), (705, 26158), (870, 21197), (902, 20445), (957, 19270), (1034, 17835), (1189, 15510), (1230, 14993), (1353, 13630), (1363, 13530), (1410, 13079), (1551, 11890), (1595, 11562), (1914, 9635), (1927, 9570), (2255, 8178), (2378, 7755), (2585, 7134), (2706, 6815), (2726, 6765), (3102, 5945), (3190, 5781), (3567, 5170), (3854, 4785), (4089, 4510)]