19216980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1910

約数の個数: 96

約数和(自身を含む): 62966400

約数和(自身を除く): 43749420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 1873, 2052, 2565, 3420, 3746, 5130, 5619, 7492, 9365, 10260, 11238, 16857, 18730, 22476, 28095, 33714, 35587, 37460, 50571, 56190, 67428, 71174, 84285, 101142, 106761, 112380, 142348, 168570, 177935, 202284, 213522, 252855, 320283, 337140, 355870, 427044, 505710, 533805, 640566, 711740, 960849, 1011420, 1067610, 1281132, 1601415, 1921698, 2135220, 3202830, 3843396, 4804245, 6405660, 9608490, 19216980]

約数ペア:

[(1, 19216980), (2, 9608490), (3, 6405660), (4, 4804245), (5, 3843396), (6, 3202830), (9, 2135220), (10, 1921698), (12, 1601415), (15, 1281132), (18, 1067610), (19, 1011420), (20, 960849), (27, 711740), (30, 640566), (36, 533805), (38, 505710), (45, 427044), (54, 355870), (57, 337140), (60, 320283), (76, 252855), (90, 213522), (95, 202284), (108, 177935), (114, 168570), (135, 142348), (171, 112380), (180, 106761), (190, 101142), (228, 84285), (270, 71174), (285, 67428), (342, 56190), (380, 50571), (513, 37460), (540, 35587), (570, 33714), (684, 28095), (855, 22476), (1026, 18730), (1140, 16857), (1710, 11238), (1873, 10260), (2052, 9365), (2565, 7492), (3420, 5619), (3746, 5130)]