19385940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 62786304

約数和(自身を除く): 43400364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 457, 505, 606, 707, 914, 1010, 1212, 1371, 1414, 1515, 1828, 2020, 2121, 2285, 2742, 2828, 3030, 3199, 3535, 4242, 4570, 5484, 6060, 6398, 6855, 7070, 8484, 9140, 9597, 10605, 12796, 13710, 14140, 15995, 19194, 21210, 27420, 31990, 38388, 42420, 46157, 47985, 63980, 92314, 95970, 138471, 184628, 191940, 230785, 276942, 323099, 461570, 553884, 646198, 692355, 923140, 969297, 1292396, 1384710, 1615495, 1938594, 2769420, 3230990, 3877188, 4846485, 6461980, 9692970, 19385940]

約数ペア:

[(1, 19385940), (2, 9692970), (3, 6461980), (4, 4846485), (5, 3877188), (6, 3230990), (7, 2769420), (10, 1938594), (12, 1615495), (14, 1384710), (15, 1292396), (20, 969297), (21, 923140), (28, 692355), (30, 646198), (35, 553884), (42, 461570), (60, 323099), (70, 276942), (84, 230785), (101, 191940), (105, 184628), (140, 138471), (202, 95970), (210, 92314), (303, 63980), (404, 47985), (420, 46157), (457, 42420), (505, 38388), (606, 31990), (707, 27420), (914, 21210), (1010, 19194), (1212, 15995), (1371, 14140), (1414, 13710), (1515, 12796), (1828, 10605), (2020, 9597), (2121, 9140), (2285, 8484), (2742, 7070), (2828, 6855), (3030, 6398), (3199, 6060), (3535, 5484), (4242, 4570)]