19257660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 59164560

約数和(自身を除く): 39906900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1289, 1494, 1660, 2490, 2578, 2988, 3735, 3867, 4980, 5156, 6445, 7470, 7734, 11601, 12890, 14940, 15468, 19335, 23202, 25780, 38670, 46404, 58005, 77340, 106987, 116010, 213974, 232020, 320961, 427948, 534935, 641922, 962883, 1069870, 1283844, 1604805, 1925766, 2139740, 3209610, 3851532, 4814415, 6419220, 9628830, 19257660]

約数ペア:

[(1, 19257660), (2, 9628830), (3, 6419220), (4, 4814415), (5, 3851532), (6, 3209610), (9, 2139740), (10, 1925766), (12, 1604805), (15, 1283844), (18, 1069870), (20, 962883), (30, 641922), (36, 534935), (45, 427948), (60, 320961), (83, 232020), (90, 213974), (166, 116010), (180, 106987), (249, 77340), (332, 58005), (415, 46404), (498, 38670), (747, 25780), (830, 23202), (996, 19335), (1245, 15468), (1289, 14940), (1494, 12890), (1660, 11601), (2490, 7734), (2578, 7470), (2988, 6445), (3735, 5156), (3867, 4980)]