19850964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 55019328

約数和(自身を除く): 35168364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 281, 348, 406, 562, 609, 812, 841, 843, 1124, 1218, 1682, 1686, 1967, 2436, 2523, 3364, 3372, 3934, 5046, 5887, 5901, 7868, 8149, 10092, 11774, 11802, 16298, 17661, 23548, 23604, 24447, 32596, 35322, 48894, 57043, 70644, 97788, 114086, 171129, 228172, 236321, 342258, 472642, 684516, 708963, 945284, 1417926, 1654247, 2835852, 3308494, 4962741, 6616988, 9925482, 19850964]

約数ペア:

[(1, 19850964), (2, 9925482), (3, 6616988), (4, 4962741), (6, 3308494), (7, 2835852), (12, 1654247), (14, 1417926), (21, 945284), (28, 708963), (29, 684516), (42, 472642), (58, 342258), (84, 236321), (87, 228172), (116, 171129), (174, 114086), (203, 97788), (281, 70644), (348, 57043), (406, 48894), (562, 35322), (609, 32596), (812, 24447), (841, 23604), (843, 23548), (1124, 17661), (1218, 16298), (1682, 11802), (1686, 11774), (1967, 10092), (2436, 8149), (2523, 7868), (3364, 5901), (3372, 5887), (3934, 5046)]