16898180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 38648064

約数和(自身を除く): 21749884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 631, 1030, 1262, 1339, 2060, 2524, 2678, 3155, 5356, 6310, 6695, 8203, 12620, 13390, 16406, 26780, 32812, 41015, 64993, 82030, 129986, 164060, 259972, 324965, 649930, 844909, 1299860, 1689818, 3379636, 4224545, 8449090, 16898180]

約数ペア:

[(1, 16898180), (2, 8449090), (4, 4224545), (5, 3379636), (10, 1689818), (13, 1299860), (20, 844909), (26, 649930), (52, 324965), (65, 259972), (103, 164060), (130, 129986), (206, 82030), (260, 64993), (412, 41015), (515, 32812), (631, 26780), (1030, 16406), (1262, 13390), (1339, 12620), (2060, 8203), (2524, 6695), (2678, 6310), (3155, 5356)]