18985932

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 57264480

約数和(自身を除く): 38278548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 49, 63, 84, 94, 98, 126, 141, 147, 188, 196, 229, 252, 282, 294, 329, 423, 441, 458, 564, 588, 658, 687, 846, 882, 916, 987, 1316, 1374, 1603, 1692, 1764, 1974, 2061, 2303, 2748, 2961, 3206, 3948, 4122, 4606, 4809, 5922, 6412, 6909, 8244, 9212, 9618, 10763, 11221, 11844, 13818, 14427, 19236, 20727, 21526, 22442, 27636, 28854, 32289, 33663, 41454, 43052, 44884, 57708, 64578, 67326, 75341, 82908, 96867, 100989, 129156, 134652, 150682, 193734, 201978, 226023, 301364, 387468, 403956, 452046, 527387, 678069, 904092, 1054774, 1356138, 1582161, 2109548, 2712276, 3164322, 4746483, 6328644, 9492966, 18985932]

約数ペア:

[(1, 18985932), (2, 9492966), (3, 6328644), (4, 4746483), (6, 3164322), (7, 2712276), (9, 2109548), (12, 1582161), (14, 1356138), (18, 1054774), (21, 904092), (28, 678069), (36, 527387), (42, 452046), (47, 403956), (49, 387468), (63, 301364), (84, 226023), (94, 201978), (98, 193734), (126, 150682), (141, 134652), (147, 129156), (188, 100989), (196, 96867), (229, 82908), (252, 75341), (282, 67326), (294, 64578), (329, 57708), (423, 44884), (441, 43052), (458, 41454), (564, 33663), (588, 32289), (658, 28854), (687, 27636), (846, 22442), (882, 21526), (916, 20727), (987, 19236), (1316, 14427), (1374, 13818), (1603, 11844), (1692, 11221), (1764, 10763), (1974, 9618), (2061, 9212), (2303, 8244), (2748, 6909), (2961, 6412), (3206, 5922), (3948, 4809), (4122, 4606)]