19139480

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{773}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 43189200

約数和(自身を除く): 24049720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 773, 1238, 1546, 2476, 3092, 3095, 3865, 4952, 6184, 6190, 7730, 12380, 15460, 24760, 30920, 478487, 956974, 1913948, 2392435, 3827896, 4784870, 9569740, 19139480]

約数ペア:

[(1, 19139480), (2, 9569740), (4, 4784870), (5, 3827896), (8, 2392435), (10, 1913948), (20, 956974), (40, 478487), (619, 30920), (773, 24760), (1238, 15460), (1546, 12380), (2476, 7730), (3092, 6190), (3095, 6184), (3865, 4952)]