18272072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 44419200

約数和(自身を除く): 26147128

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1321, 1729, 1976, 2642, 3458, 5284, 6916, 9247, 10568, 13832, 17173, 18494, 25099, 34346, 36988, 50198, 68692, 73976, 100396, 120211, 137384, 175693, 200792, 240422, 326287, 351386, 480844, 652574, 702772, 961688, 1305148, 1405544, 2284009, 2610296, 4568018, 9136036, 18272072]

約数ペア:

[(1, 18272072), (2, 9136036), (4, 4568018), (7, 2610296), (8, 2284009), (13, 1405544), (14, 1305148), (19, 961688), (26, 702772), (28, 652574), (38, 480844), (52, 351386), (56, 326287), (76, 240422), (91, 200792), (104, 175693), (133, 137384), (152, 120211), (182, 100396), (247, 73976), (266, 68692), (364, 50198), (494, 36988), (532, 34346), (728, 25099), (988, 18494), (1064, 17173), (1321, 13832), (1729, 10568), (1976, 9247), (2642, 6916), (3458, 5284)]