19895552

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 43169280

約数和(自身を除く): 23273728

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 109, 124, 128, 184, 218, 248, 256, 368, 436, 496, 713, 736, 872, 992, 1426, 1472, 1744, 1984, 2507, 2852, 2944, 3379, 3488, 3968, 5014, 5704, 5888, 6758, 6976, 7936, 10028, 11408, 13516, 13952, 20056, 22816, 27032, 27904, 40112, 45632, 54064, 77717, 80224, 91264, 108128, 155434, 160448, 182528, 216256, 310868, 320896, 432512, 621736, 641792, 865024, 1243472, 2486944, 4973888, 9947776, 19895552]

約数ペア:

[(1, 19895552), (2, 9947776), (4, 4973888), (8, 2486944), (16, 1243472), (23, 865024), (31, 641792), (32, 621736), (46, 432512), (62, 320896), (64, 310868), (92, 216256), (109, 182528), (124, 160448), (128, 155434), (184, 108128), (218, 91264), (248, 80224), (256, 77717), (368, 54064), (436, 45632), (496, 40112), (713, 27904), (736, 27032), (872, 22816), (992, 20056), (1426, 13952), (1472, 13516), (1744, 11408), (1984, 10028), (2507, 7936), (2852, 6976), (2944, 6758), (3379, 5888), (3488, 5704), (3968, 5014)]