18625984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:453

約数の個数: 56

約数和(自身を含む): 40566848

約数和(自身を除く): 21940864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 367, 416, 488, 734, 793, 832, 976, 1468, 1586, 1952, 2936, 3172, 3904, 4771, 5872, 6344, 9542, 11744, 12688, 19084, 22387, 23488, 25376, 38168, 44774, 50752, 76336, 89548, 152672, 179096, 291031, 305344, 358192, 582062, 716384, 1164124, 1432768, 2328248, 4656496, 9312992, 18625984]

約数ペア:

[(1, 18625984), (2, 9312992), (4, 4656496), (8, 2328248), (13, 1432768), (16, 1164124), (26, 716384), (32, 582062), (52, 358192), (61, 305344), (64, 291031), (104, 179096), (122, 152672), (208, 89548), (244, 76336), (367, 50752), (416, 44774), (488, 38168), (734, 25376), (793, 23488), (832, 22387), (976, 19084), (1468, 12688), (1586, 11744), (1952, 9542), (2936, 6344), (3172, 5872), (3904, 4771)]