19973576

素因数分解:

$2^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 25386424

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 251, 343, 392, 406, 502, 686, 812, 1004, 1372, 1421, 1624, 1757, 2008, 2744, 2842, 3514, 5684, 7028, 7279, 9947, 11368, 12299, 14056, 14558, 19894, 24598, 29116, 39788, 49196, 50953, 58232, 79576, 86093, 98392, 101906, 172186, 203812, 344372, 356671, 407624, 688744, 713342, 1426684, 2496697, 2853368, 4993394, 9986788, 19973576]

約数ペア:

[(1, 19973576), (2, 9986788), (4, 4993394), (7, 2853368), (8, 2496697), (14, 1426684), (28, 713342), (29, 688744), (49, 407624), (56, 356671), (58, 344372), (98, 203812), (116, 172186), (196, 101906), (203, 98392), (232, 86093), (251, 79576), (343, 58232), (392, 50953), (406, 49196), (502, 39788), (686, 29116), (812, 24598), (1004, 19894), (1372, 14558), (1421, 14056), (1624, 12299), (1757, 11368), (2008, 9947), (2744, 7279), (2842, 7028), (3514, 5684)]