18494645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 6906955

約数列:

[1, 5, 13, 23, 65, 89, 115, 139, 299, 445, 695, 1157, 1495, 1807, 2047, 3197, 5785, 9035, 10235, 12371, 15985, 26611, 41561, 61855, 133055, 160823, 207805, 284533, 804115, 1422665, 3698929, 18494645]

約数ペア:

[(1, 18494645), (5, 3698929), (13, 1422665), (23, 804115), (65, 284533), (89, 207805), (115, 160823), (139, 133055), (299, 61855), (445, 41561), (695, 26611), (1157, 15985), (1495, 12371), (1807, 10235), (2047, 9035), (3197, 5785)]