19288425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 34942208

約数和(自身を除く): 15653783

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 73, 75, 195, 219, 271, 325, 365, 813, 949, 975, 1095, 1355, 1825, 2847, 3523, 4065, 4745, 5475, 6775, 10569, 14235, 17615, 19783, 20325, 23725, 52845, 59349, 71175, 88075, 98915, 257179, 264225, 296745, 494575, 771537, 1285895, 1483725, 3857685, 6429475, 19288425]

約数ペア:

[(1, 19288425), (3, 6429475), (5, 3857685), (13, 1483725), (15, 1285895), (25, 771537), (39, 494575), (65, 296745), (73, 264225), (75, 257179), (195, 98915), (219, 88075), (271, 71175), (325, 59349), (365, 52845), (813, 23725), (949, 20325), (975, 19783), (1095, 17615), (1355, 14235), (1825, 10569), (2847, 6775), (3523, 5475), (4065, 4745)]