19868490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1329

約数の個数: 80

約数和(自身を含む): 56279520

約数和(自身を除く): 36411030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1291, 1539, 1710, 2565, 2582, 3078, 3873, 5130, 6455, 7695, 7746, 11619, 12910, 15390, 19365, 23238, 24529, 34857, 38730, 49058, 58095, 69714, 73587, 104571, 116190, 122645, 147174, 174285, 209142, 220761, 245290, 348570, 367935, 441522, 522855, 662283, 735870, 1045710, 1103805, 1324566, 1986849, 2207610, 3311415, 3973698, 6622830, 9934245, 19868490]

約数ペア:

[(1, 19868490), (2, 9934245), (3, 6622830), (5, 3973698), (6, 3311415), (9, 2207610), (10, 1986849), (15, 1324566), (18, 1103805), (19, 1045710), (27, 735870), (30, 662283), (38, 522855), (45, 441522), (54, 367935), (57, 348570), (81, 245290), (90, 220761), (95, 209142), (114, 174285), (135, 147174), (162, 122645), (171, 116190), (190, 104571), (270, 73587), (285, 69714), (342, 58095), (405, 49058), (513, 38730), (570, 34857), (810, 24529), (855, 23238), (1026, 19365), (1291, 15390), (1539, 12910), (1710, 11619), (2565, 7746), (2582, 7695), (3078, 6455), (3873, 5130)]