19393205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 7701835

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 383, 533, 779, 1235, 1915, 2665, 3895, 4979, 7277, 10127, 15703, 24895, 36385, 50635, 78515, 94601, 204139, 298357, 473005, 1020695, 1491785, 3878641, 19393205]

約数ペア:

[(1, 19393205), (5, 3878641), (13, 1491785), (19, 1020695), (41, 473005), (65, 298357), (95, 204139), (205, 94601), (247, 78515), (383, 50635), (533, 36385), (779, 24895), (1235, 15703), (1915, 10127), (2665, 7277), (3895, 4979)]