18945684

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^2\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 72

約数和(自身を含む): 52263680

約数和(自身を除く): 33317996

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 289, 306, 459, 578, 607, 612, 867, 918, 1156, 1214, 1734, 1821, 1836, 2428, 2601, 3468, 3642, 5202, 5463, 7284, 7803, 10319, 10404, 10926, 15606, 16389, 20638, 21852, 30957, 31212, 32778, 41276, 61914, 65556, 92871, 123828, 175423, 185742, 278613, 350846, 371484, 526269, 557226, 701692, 1052538, 1114452, 1578807, 2105076, 3157614, 4736421, 6315228, 9472842, 18945684]

約数ペア:

[(1, 18945684), (2, 9472842), (3, 6315228), (4, 4736421), (6, 3157614), (9, 2105076), (12, 1578807), (17, 1114452), (18, 1052538), (27, 701692), (34, 557226), (36, 526269), (51, 371484), (54, 350846), (68, 278613), (102, 185742), (108, 175423), (153, 123828), (204, 92871), (289, 65556), (306, 61914), (459, 41276), (578, 32778), (607, 31212), (612, 30957), (867, 21852), (918, 20638), (1156, 16389), (1214, 15606), (1734, 10926), (1821, 10404), (1836, 10319), (2428, 7803), (2601, 7284), (3468, 5463), (3642, 5202)]