18344872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 42900480

約数和(自身を除く): 24555608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 113, 182, 223, 226, 364, 446, 452, 728, 791, 892, 904, 1469, 1561, 1582, 1784, 2899, 2938, 3122, 3164, 5798, 5876, 6244, 6328, 10283, 11596, 11752, 12488, 20293, 20566, 23192, 25199, 40586, 41132, 50398, 81172, 82264, 100796, 162344, 176393, 201592, 327587, 352786, 655174, 705572, 1310348, 1411144, 2293109, 2620696, 4586218, 9172436, 18344872]

約数ペア:

[(1, 18344872), (2, 9172436), (4, 4586218), (7, 2620696), (8, 2293109), (13, 1411144), (14, 1310348), (26, 705572), (28, 655174), (52, 352786), (56, 327587), (91, 201592), (104, 176393), (113, 162344), (182, 100796), (223, 82264), (226, 81172), (364, 50398), (446, 41132), (452, 40586), (728, 25199), (791, 23192), (892, 20566), (904, 20293), (1469, 12488), (1561, 11752), (1582, 11596), (1784, 10283), (2899, 6328), (2938, 6244), (3122, 5876), (3164, 5798)]