18945290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 23632630

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 109, 130, 182, 191, 218, 382, 455, 545, 763, 910, 955, 1090, 1337, 1417, 1526, 1910, 2483, 2674, 2834, 3815, 4966, 6685, 7085, 7630, 9919, 12415, 13370, 14170, 17381, 19838, 20819, 24830, 34762, 41638, 49595, 86905, 99190, 104095, 145733, 173810, 208190, 270647, 291466, 541294, 728665, 1353235, 1457330, 1894529, 2706470, 3789058, 9472645, 18945290]

約数ペア:

[(1, 18945290), (2, 9472645), (5, 3789058), (7, 2706470), (10, 1894529), (13, 1457330), (14, 1353235), (26, 728665), (35, 541294), (65, 291466), (70, 270647), (91, 208190), (109, 173810), (130, 145733), (182, 104095), (191, 99190), (218, 86905), (382, 49595), (455, 41638), (545, 34762), (763, 24830), (910, 20819), (955, 19838), (1090, 17381), (1337, 14170), (1417, 13370), (1526, 12415), (1910, 9919), (2483, 7630), (2674, 7085), (2834, 6685), (3815, 4966)]