18987810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1259

約数の個数: 64

約数和(自身を含む): 49849344

約数和(自身を除く): 30861534

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1201, 1581, 2402, 2635, 3162, 3603, 5270, 6005, 7206, 7905, 12010, 15810, 18015, 20417, 36030, 37231, 40834, 61251, 74462, 102085, 111693, 122502, 186155, 204170, 223386, 306255, 372310, 558465, 612510, 632927, 1116930, 1265854, 1898781, 3164635, 3797562, 6329270, 9493905, 18987810]

約数ペア:

[(1, 18987810), (2, 9493905), (3, 6329270), (5, 3797562), (6, 3164635), (10, 1898781), (15, 1265854), (17, 1116930), (30, 632927), (31, 612510), (34, 558465), (51, 372310), (62, 306255), (85, 223386), (93, 204170), (102, 186155), (155, 122502), (170, 111693), (186, 102085), (255, 74462), (310, 61251), (465, 40834), (510, 37231), (527, 36030), (930, 20417), (1054, 18015), (1201, 15810), (1581, 12010), (2402, 7905), (2635, 7206), (3162, 6005), (3603, 5270)]