19915740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2868

約数の個数: 96

約数和(自身を含む): 66749760

約数和(自身を除く): 46834020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2837, 3510, 5674, 7020, 8511, 11348, 14185, 17022, 25533, 28370, 34044, 36881, 42555, 51066, 56740, 73762, 76599, 85110, 102132, 110643, 127665, 147524, 153198, 170220, 184405, 221286, 255330, 306396, 331929, 368810, 382995, 442572, 510660, 553215, 663858, 737620, 765990, 995787, 1106430, 1327716, 1531980, 1659645, 1991574, 2212860, 3319290, 3983148, 4978935, 6638580, 9957870, 19915740]

約数ペア:

[(1, 19915740), (2, 9957870), (3, 6638580), (4, 4978935), (5, 3983148), (6, 3319290), (9, 2212860), (10, 1991574), (12, 1659645), (13, 1531980), (15, 1327716), (18, 1106430), (20, 995787), (26, 765990), (27, 737620), (30, 663858), (36, 553215), (39, 510660), (45, 442572), (52, 382995), (54, 368810), (60, 331929), (65, 306396), (78, 255330), (90, 221286), (108, 184405), (117, 170220), (130, 153198), (135, 147524), (156, 127665), (180, 110643), (195, 102132), (234, 85110), (260, 76599), (270, 73762), (351, 56740), (390, 51066), (468, 42555), (540, 36881), (585, 34044), (702, 28370), (780, 25533), (1170, 17022), (1404, 14185), (1755, 11348), (2340, 8511), (2837, 7020), (3510, 5674)]