18960474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 25068966

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 79, 102, 158, 181, 221, 237, 362, 442, 474, 543, 663, 1027, 1086, 1326, 1343, 2054, 2353, 2686, 3077, 3081, 4029, 4706, 6154, 6162, 7059, 8058, 9231, 14118, 14299, 17459, 18462, 28598, 34918, 40001, 42897, 52377, 80002, 85794, 104754, 120003, 185887, 240006, 243083, 371774, 486166, 557661, 729249, 1115322, 1458498, 3160079, 6320158, 9480237, 18960474]

約数ペア:

[(1, 18960474), (2, 9480237), (3, 6320158), (6, 3160079), (13, 1458498), (17, 1115322), (26, 729249), (34, 557661), (39, 486166), (51, 371774), (78, 243083), (79, 240006), (102, 185887), (158, 120003), (181, 104754), (221, 85794), (237, 80002), (362, 52377), (442, 42897), (474, 40001), (543, 34918), (663, 28598), (1027, 18462), (1086, 17459), (1326, 14299), (1343, 14118), (2054, 9231), (2353, 8058), (2686, 7059), (3077, 6162), (3081, 6154), (4029, 4706)]