19286475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 34831104

約数和(自身を除く): 15544629

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 131, 151, 195, 325, 393, 453, 655, 755, 975, 1703, 1963, 1965, 2265, 3275, 3775, 5109, 5889, 8515, 9815, 9825, 11325, 19781, 25545, 29445, 42575, 49075, 59343, 98905, 127725, 147225, 257153, 296715, 494525, 771459, 1285765, 1483575, 3857295, 6428825, 19286475]

約数ペア:

[(1, 19286475), (3, 6428825), (5, 3857295), (13, 1483575), (15, 1285765), (25, 771459), (39, 494525), (65, 296715), (75, 257153), (131, 147225), (151, 127725), (195, 98905), (325, 59343), (393, 49075), (453, 42575), (655, 29445), (755, 25545), (975, 19781), (1703, 11325), (1963, 9825), (1965, 9815), (2265, 8515), (3275, 5889), (3775, 5109)]