18779296

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 20804864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 67, 76, 134, 152, 268, 304, 461, 536, 608, 922, 1072, 1273, 1844, 2144, 2546, 3688, 5092, 7376, 8759, 10184, 14752, 17518, 20368, 30887, 35036, 40736, 61774, 70072, 123548, 140144, 247096, 280288, 494192, 586853, 988384, 1173706, 2347412, 4694824, 9389648, 18779296]

約数ペア:

[(1, 18779296), (2, 9389648), (4, 4694824), (8, 2347412), (16, 1173706), (19, 988384), (32, 586853), (38, 494192), (67, 280288), (76, 247096), (134, 140144), (152, 123548), (268, 70072), (304, 61774), (461, 40736), (536, 35036), (608, 30887), (922, 20368), (1072, 17518), (1273, 14752), (1844, 10184), (2144, 8759), (2546, 7376), (3688, 5092)]