18168540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23293}}^1$

素因数の和:23318

約数の個数: 48

約数和(自身を含む): 54787488

約数和(自身を除く): 36618948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23293, 46586, 69879, 93172, 116465, 139758, 232930, 279516, 302809, 349395, 465860, 605618, 698790, 908427, 1211236, 1397580, 1514045, 1816854, 3028090, 3633708, 4542135, 6056180, 9084270, 18168540]

約数ペア:

[(1, 18168540), (2, 9084270), (3, 6056180), (4, 4542135), (5, 3633708), (6, 3028090), (10, 1816854), (12, 1514045), (13, 1397580), (15, 1211236), (20, 908427), (26, 698790), (30, 605618), (39, 465860), (52, 349395), (60, 302809), (65, 279516), (78, 232930), (130, 139758), (156, 116465), (195, 93172), (260, 69879), (390, 46586), (780, 23293)]