19496320

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 47809440

約数和(自身を除く): 28313120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 743, 820, 1312, 1486, 1640, 2624, 2972, 3280, 3715, 5248, 5944, 6560, 7430, 11888, 13120, 14860, 23776, 26240, 29720, 30463, 47552, 59440, 60926, 95104, 118880, 121852, 152315, 237760, 243704, 304630, 475520, 487408, 609260, 974816, 1218520, 1949632, 2437040, 3899264, 4874080, 9748160, 19496320]

約数ペア:

[(1, 19496320), (2, 9748160), (4, 4874080), (5, 3899264), (8, 2437040), (10, 1949632), (16, 1218520), (20, 974816), (32, 609260), (40, 487408), (41, 475520), (64, 304630), (80, 243704), (82, 237760), (128, 152315), (160, 121852), (164, 118880), (205, 95104), (320, 60926), (328, 59440), (410, 47552), (640, 30463), (656, 29720), (743, 26240), (820, 23776), (1312, 14860), (1486, 13120), (1640, 11888), (2624, 7430), (2972, 6560), (3280, 5944), (3715, 5248)]