18658380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1303

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 40612020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1259, 1482, 2470, 2518, 2964, 3705, 3777, 4940, 5036, 6295, 7410, 7554, 12590, 14820, 15108, 16367, 18885, 23921, 25180, 32734, 37770, 47842, 49101, 65468, 71763, 75540, 81835, 95684, 98202, 119605, 143526, 163670, 196404, 239210, 245505, 287052, 310973, 327340, 358815, 478420, 491010, 621946, 717630, 932919, 982020, 1243892, 1435260, 1554865, 1865838, 3109730, 3731676, 4664595, 6219460, 9329190, 18658380]

約数ペア:

[(1, 18658380), (2, 9329190), (3, 6219460), (4, 4664595), (5, 3731676), (6, 3109730), (10, 1865838), (12, 1554865), (13, 1435260), (15, 1243892), (19, 982020), (20, 932919), (26, 717630), (30, 621946), (38, 491010), (39, 478420), (52, 358815), (57, 327340), (60, 310973), (65, 287052), (76, 245505), (78, 239210), (95, 196404), (114, 163670), (130, 143526), (156, 119605), (190, 98202), (195, 95684), (228, 81835), (247, 75540), (260, 71763), (285, 65468), (380, 49101), (390, 47842), (494, 37770), (570, 32734), (741, 25180), (780, 23921), (988, 18885), (1140, 16367), (1235, 15108), (1259, 14820), (1482, 12590), (2470, 7554), (2518, 7410), (2964, 6295), (3705, 5036), (3777, 4940)]