19560272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 41872320

約数和(自身を除く): 22312048

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 47, 74, 76, 94, 148, 152, 188, 296, 304, 376, 592, 703, 752, 893, 1369, 1406, 1739, 1786, 2738, 2812, 3478, 3572, 5476, 5624, 6956, 7144, 10952, 11248, 13912, 14288, 21904, 26011, 27824, 33041, 52022, 64343, 66082, 104044, 128686, 132164, 208088, 257372, 264328, 416176, 514744, 528656, 1029488, 1222517, 2445034, 4890068, 9780136, 19560272]

約数ペア:

[(1, 19560272), (2, 9780136), (4, 4890068), (8, 2445034), (16, 1222517), (19, 1029488), (37, 528656), (38, 514744), (47, 416176), (74, 264328), (76, 257372), (94, 208088), (148, 132164), (152, 128686), (188, 104044), (296, 66082), (304, 64343), (376, 52022), (592, 33041), (703, 27824), (752, 26011), (893, 21904), (1369, 14288), (1406, 13912), (1739, 11248), (1786, 10952), (2738, 7144), (2812, 6956), (3478, 5624), (3572, 5476)]