18594520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 49863600

約数和(自身を除く): 31269080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 179, 196, 212, 245, 265, 280, 358, 371, 392, 424, 490, 530, 716, 742, 895, 980, 1060, 1253, 1432, 1484, 1790, 1855, 1960, 2120, 2506, 2597, 2968, 3580, 3710, 5012, 5194, 6265, 7160, 7420, 8771, 9487, 10024, 10388, 12530, 12985, 14840, 17542, 18974, 20776, 25060, 25970, 35084, 37948, 43855, 47435, 50120, 51940, 66409, 70168, 75896, 87710, 94870, 103880, 132818, 175420, 189740, 265636, 332045, 350840, 379480, 464863, 531272, 664090, 929726, 1328180, 1859452, 2324315, 2656360, 3718904, 4648630, 9297260, 18594520]

約数ペア:

[(1, 18594520), (2, 9297260), (4, 4648630), (5, 3718904), (7, 2656360), (8, 2324315), (10, 1859452), (14, 1328180), (20, 929726), (28, 664090), (35, 531272), (40, 464863), (49, 379480), (53, 350840), (56, 332045), (70, 265636), (98, 189740), (106, 175420), (140, 132818), (179, 103880), (196, 94870), (212, 87710), (245, 75896), (265, 70168), (280, 66409), (358, 51940), (371, 50120), (392, 47435), (424, 43855), (490, 37948), (530, 35084), (716, 25970), (742, 25060), (895, 20776), (980, 18974), (1060, 17542), (1253, 14840), (1432, 12985), (1484, 12530), (1790, 10388), (1855, 10024), (1960, 9487), (2120, 8771), (2506, 7420), (2597, 7160), (2968, 6265), (3580, 5194), (3710, 5012)]