19657300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15121}}^1$

素因数の和:15148

約数の個数: 36

約数和(自身を含む): 45940636

約数和(自身を除く): 26283336

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15121, 30242, 60484, 75605, 151210, 196573, 302420, 378025, 393146, 756050, 786292, 982865, 1512100, 1965730, 3931460, 4914325, 9828650, 19657300]

約数ペア:

[(1, 19657300), (2, 9828650), (4, 4914325), (5, 3931460), (10, 1965730), (13, 1512100), (20, 982865), (25, 786292), (26, 756050), (50, 393146), (52, 378025), (65, 302420), (100, 196573), (130, 151210), (260, 75605), (325, 60484), (650, 30242), (1300, 15121)]