19376820

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{443}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 61165440

約数和(自身を除く): 41788620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 443, 486, 540, 729, 810, 886, 972, 1215, 1329, 1458, 1620, 1772, 2187, 2215, 2430, 2658, 2916, 3645, 3987, 4374, 4430, 4860, 5316, 6645, 7290, 7974, 8748, 8860, 10935, 11961, 13290, 14580, 15948, 19935, 21870, 23922, 26580, 35883, 39870, 43740, 47844, 59805, 71766, 79740, 107649, 119610, 143532, 179415, 215298, 239220, 322947, 358830, 430596, 538245, 645894, 717660, 968841, 1076490, 1291788, 1614735, 1937682, 2152980, 3229470, 3875364, 4844205, 6458940, 9688410, 19376820]

約数ペア:

[(1, 19376820), (2, 9688410), (3, 6458940), (4, 4844205), (5, 3875364), (6, 3229470), (9, 2152980), (10, 1937682), (12, 1614735), (15, 1291788), (18, 1076490), (20, 968841), (27, 717660), (30, 645894), (36, 538245), (45, 430596), (54, 358830), (60, 322947), (81, 239220), (90, 215298), (108, 179415), (135, 143532), (162, 119610), (180, 107649), (243, 79740), (270, 71766), (324, 59805), (405, 47844), (443, 43740), (486, 39870), (540, 35883), (729, 26580), (810, 23922), (886, 21870), (972, 19935), (1215, 15948), (1329, 14580), (1458, 13290), (1620, 11961), (1772, 10935), (2187, 8860), (2215, 8748), (2430, 7974), (2658, 7290), (2916, 6645), (3645, 5316), (3987, 4860), (4374, 4430)]