18661376

素因数分解:

$2^{14}\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 60

約数和(自身を含む): 40106808

約数和(自身を除く): 21445432

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 128, 134, 136, 256, 268, 272, 512, 536, 544, 1024, 1072, 1088, 1139, 2048, 2144, 2176, 2278, 4096, 4288, 4352, 4556, 8192, 8576, 8704, 9112, 16384, 17152, 17408, 18224, 34304, 34816, 36448, 68608, 69632, 72896, 137216, 139264, 145792, 274432, 278528, 291584, 548864, 583168, 1097728, 1166336, 2332672, 4665344, 9330688, 18661376]

約数ペア:

[(1, 18661376), (2, 9330688), (4, 4665344), (8, 2332672), (16, 1166336), (17, 1097728), (32, 583168), (34, 548864), (64, 291584), (67, 278528), (68, 274432), (128, 145792), (134, 139264), (136, 137216), (256, 72896), (268, 69632), (272, 68608), (512, 36448), (536, 34816), (544, 34304), (1024, 18224), (1072, 17408), (1088, 17152), (1139, 16384), (2048, 9112), (2144, 8704), (2176, 8576), (2278, 8192), (4096, 4556), (4288, 4352)]