19518660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2213}}^1$

素因数の和:2242

約数の個数: 108

約数和(自身を含む): 68904108

約数和(自身を除く): 49385448

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2213, 2940, 4410, 4426, 6639, 8820, 8852, 11065, 13278, 15491, 19917, 22130, 26556, 30982, 33195, 39834, 44260, 46473, 61964, 66390, 77455, 79668, 92946, 99585, 108437, 132780, 139419, 154910, 185892, 199170, 216874, 232365, 278838, 309820, 325311, 398340, 433748, 464730, 542185, 557676, 650622, 697095, 929460, 975933, 1084370, 1301244, 1394190, 1626555, 1951866, 2168740, 2788380, 3253110, 3903732, 4879665, 6506220, 9759330, 19518660]

約数ペア:

[(1, 19518660), (2, 9759330), (3, 6506220), (4, 4879665), (5, 3903732), (6, 3253110), (7, 2788380), (9, 2168740), (10, 1951866), (12, 1626555), (14, 1394190), (15, 1301244), (18, 1084370), (20, 975933), (21, 929460), (28, 697095), (30, 650622), (35, 557676), (36, 542185), (42, 464730), (45, 433748), (49, 398340), (60, 325311), (63, 309820), (70, 278838), (84, 232365), (90, 216874), (98, 199170), (105, 185892), (126, 154910), (140, 139419), (147, 132780), (180, 108437), (196, 99585), (210, 92946), (245, 79668), (252, 77455), (294, 66390), (315, 61964), (420, 46473), (441, 44260), (490, 39834), (588, 33195), (630, 30982), (735, 26556), (882, 22130), (980, 19917), (1260, 15491), (1470, 13278), (1764, 11065), (2205, 8852), (2213, 8820), (2940, 6639), (4410, 4426)]