18183608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21214792

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 227, 248, 323, 454, 527, 589, 646, 908, 1054, 1178, 1292, 1816, 2108, 2356, 2584, 3859, 4216, 4313, 4712, 7037, 7718, 8626, 10013, 14074, 15436, 17252, 20026, 28148, 30872, 34504, 40052, 56296, 73321, 80104, 119629, 133703, 146642, 239258, 267406, 293284, 478516, 534812, 586568, 957032, 1069624, 2272951, 4545902, 9091804, 18183608]

約数ペア:

[(1, 18183608), (2, 9091804), (4, 4545902), (8, 2272951), (17, 1069624), (19, 957032), (31, 586568), (34, 534812), (38, 478516), (62, 293284), (68, 267406), (76, 239258), (124, 146642), (136, 133703), (152, 119629), (227, 80104), (248, 73321), (323, 56296), (454, 40052), (527, 34504), (589, 30872), (646, 28148), (908, 20026), (1054, 17252), (1178, 15436), (1292, 14074), (1816, 10013), (2108, 8626), (2356, 7718), (2584, 7037), (3859, 4712), (4216, 4313)]