17882540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 40877760

約数和(自身を除く): 22995220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 631, 1090, 1262, 1417, 2180, 2524, 2834, 3155, 5668, 6310, 7085, 8203, 12620, 14170, 16406, 28340, 32812, 41015, 68779, 82030, 137558, 164060, 275116, 343895, 687790, 894127, 1375580, 1788254, 3576508, 4470635, 8941270, 17882540]

約数ペア:

[(1, 17882540), (2, 8941270), (4, 4470635), (5, 3576508), (10, 1788254), (13, 1375580), (20, 894127), (26, 687790), (52, 343895), (65, 275116), (109, 164060), (130, 137558), (218, 82030), (260, 68779), (436, 41015), (545, 32812), (631, 28340), (1090, 16406), (1262, 14170), (1417, 12620), (2180, 8203), (2524, 7085), (2834, 6310), (3155, 5668)]