19821480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3371}}^1$

素因数の和:3399

約数の個数: 96

約数和(自身を含む): 69193440

約数和(自身を除く): 49371960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3371, 5880, 6742, 10113, 13484, 16855, 20226, 23597, 26968, 33710, 40452, 47194, 50565, 67420, 70791, 80904, 94388, 101130, 117985, 134840, 141582, 165179, 188776, 202260, 235970, 283164, 330358, 353955, 404520, 471940, 495537, 566328, 660716, 707910, 825895, 943880, 991074, 1321432, 1415820, 1651790, 1982148, 2477685, 2831640, 3303580, 3964296, 4955370, 6607160, 9910740, 19821480]

約数ペア:

[(1, 19821480), (2, 9910740), (3, 6607160), (4, 4955370), (5, 3964296), (6, 3303580), (7, 2831640), (8, 2477685), (10, 1982148), (12, 1651790), (14, 1415820), (15, 1321432), (20, 991074), (21, 943880), (24, 825895), (28, 707910), (30, 660716), (35, 566328), (40, 495537), (42, 471940), (49, 404520), (56, 353955), (60, 330358), (70, 283164), (84, 235970), (98, 202260), (105, 188776), (120, 165179), (140, 141582), (147, 134840), (168, 117985), (196, 101130), (210, 94388), (245, 80904), (280, 70791), (294, 67420), (392, 50565), (420, 47194), (490, 40452), (588, 33710), (735, 26968), (840, 23597), (980, 20226), (1176, 16855), (1470, 13484), (1960, 10113), (2940, 6742), (3371, 5880)]