18512800

素因数分解:

$2^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 45957996

約数和(自身を除く): 27445196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 100, 146, 160, 200, 292, 317, 365, 400, 584, 634, 730, 800, 1168, 1268, 1460, 1585, 1825, 2336, 2536, 2920, 3170, 3650, 5072, 5840, 6340, 7300, 7925, 10144, 11680, 12680, 14600, 15850, 23141, 25360, 29200, 31700, 46282, 50720, 58400, 63400, 92564, 115705, 126800, 185128, 231410, 253600, 370256, 462820, 578525, 740512, 925640, 1157050, 1851280, 2314100, 3702560, 4628200, 9256400, 18512800]

約数ペア:

[(1, 18512800), (2, 9256400), (4, 4628200), (5, 3702560), (8, 2314100), (10, 1851280), (16, 1157050), (20, 925640), (25, 740512), (32, 578525), (40, 462820), (50, 370256), (73, 253600), (80, 231410), (100, 185128), (146, 126800), (160, 115705), (200, 92564), (292, 63400), (317, 58400), (365, 50720), (400, 46282), (584, 31700), (634, 29200), (730, 25360), (800, 23141), (1168, 15850), (1268, 14600), (1460, 12680), (1585, 11680), (1825, 10144), (2336, 7925), (2536, 7300), (2920, 6340), (3170, 5840), (3650, 5072)]