18320288

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{283}}^1$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 43942752

約数和(自身を除く): 25622464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 283, 289, 476, 544, 566, 578, 952, 1132, 1156, 1904, 1981, 2023, 2264, 2312, 3808, 3962, 4046, 4528, 4624, 4811, 7924, 8092, 9056, 9248, 9622, 15848, 16184, 19244, 31696, 32368, 33677, 38488, 63392, 64736, 67354, 76976, 81787, 134708, 153952, 163574, 269416, 327148, 538832, 572509, 654296, 1077664, 1145018, 1308592, 2290036, 2617184, 4580072, 9160144, 18320288]

約数ペア:

[(1, 18320288), (2, 9160144), (4, 4580072), (7, 2617184), (8, 2290036), (14, 1308592), (16, 1145018), (17, 1077664), (28, 654296), (32, 572509), (34, 538832), (56, 327148), (68, 269416), (112, 163574), (119, 153952), (136, 134708), (224, 81787), (238, 76976), (272, 67354), (283, 64736), (289, 63392), (476, 38488), (544, 33677), (566, 32368), (578, 31696), (952, 19244), (1132, 16184), (1156, 15848), (1904, 9622), (1981, 9248), (2023, 9056), (2264, 8092), (2312, 7924), (3808, 4811), (3962, 4624), (4046, 4528)]