18169844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 41470464

約数和(自身を除く): 23300620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 173, 217, 242, 308, 341, 346, 434, 484, 682, 692, 847, 868, 1211, 1364, 1694, 1903, 2387, 2422, 3388, 3751, 3806, 4774, 4844, 5363, 7502, 7612, 9548, 10726, 13321, 15004, 20933, 21452, 26257, 26642, 37541, 41866, 52514, 53284, 58993, 75082, 83732, 105028, 117986, 146531, 150164, 235972, 293062, 412951, 586124, 648923, 825902, 1297846, 1651804, 2595692, 4542461, 9084922, 18169844]

約数ペア:

[(1, 18169844), (2, 9084922), (4, 4542461), (7, 2595692), (11, 1651804), (14, 1297846), (22, 825902), (28, 648923), (31, 586124), (44, 412951), (62, 293062), (77, 235972), (121, 150164), (124, 146531), (154, 117986), (173, 105028), (217, 83732), (242, 75082), (308, 58993), (341, 53284), (346, 52514), (434, 41866), (484, 37541), (682, 26642), (692, 26257), (847, 21452), (868, 20933), (1211, 15004), (1364, 13321), (1694, 10726), (1903, 9548), (2387, 7612), (2422, 7502), (3388, 5363), (3751, 4844), (3806, 4774)]