19319220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3701}}^1$

素因数の和:3745

約数の個数: 72

約数和(自身を含む): 60638760

約数和(自身を除く): 41319540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3701, 5220, 7402, 11103, 14804, 18505, 22206, 33309, 37010, 44412, 55515, 66618, 74020, 107329, 111030, 133236, 166545, 214658, 222060, 321987, 333090, 429316, 536645, 643974, 666180, 965961, 1073290, 1287948, 1609935, 1931922, 2146580, 3219870, 3863844, 4829805, 6439740, 9659610, 19319220]

約数ペア:

[(1, 19319220), (2, 9659610), (3, 6439740), (4, 4829805), (5, 3863844), (6, 3219870), (9, 2146580), (10, 1931922), (12, 1609935), (15, 1287948), (18, 1073290), (20, 965961), (29, 666180), (30, 643974), (36, 536645), (45, 429316), (58, 333090), (60, 321987), (87, 222060), (90, 214658), (116, 166545), (145, 133236), (174, 111030), (180, 107329), (261, 74020), (290, 66618), (348, 55515), (435, 44412), (522, 37010), (580, 33309), (870, 22206), (1044, 18505), (1305, 14804), (1740, 11103), (2610, 7402), (3701, 5220)]