19480448

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 43696800

約数和(自身を除く): 24216352

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 509, 598, 736, 832, 1018, 1196, 1472, 1664, 2036, 2392, 2944, 4072, 4784, 6617, 8144, 9568, 11707, 13234, 16288, 19136, 23414, 26468, 32576, 38272, 46828, 52936, 65152, 93656, 105872, 152191, 187312, 211744, 304382, 374624, 423488, 608764, 749248, 846976, 1217528, 1498496, 2435056, 4870112, 9740224, 19480448]

約数ペア:

[(1, 19480448), (2, 9740224), (4, 4870112), (8, 2435056), (13, 1498496), (16, 1217528), (23, 846976), (26, 749248), (32, 608764), (46, 423488), (52, 374624), (64, 304382), (92, 211744), (104, 187312), (128, 152191), (184, 105872), (208, 93656), (299, 65152), (368, 52936), (416, 46828), (509, 38272), (598, 32576), (736, 26468), (832, 23414), (1018, 19136), (1196, 16288), (1472, 13234), (1664, 11707), (2036, 9568), (2392, 8144), (2944, 6617), (4072, 4784)]