17748736

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 38631600

約数和(自身を除く): 20882864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 89, 128, 152, 164, 178, 256, 304, 328, 356, 608, 656, 712, 779, 1216, 1312, 1424, 1558, 1691, 2432, 2624, 2848, 3116, 3382, 3649, 4864, 5248, 5696, 6232, 6764, 7298, 10496, 11392, 12464, 13528, 14596, 22784, 24928, 27056, 29192, 49856, 54112, 58384, 69331, 99712, 108224, 116768, 138662, 199424, 216448, 233536, 277324, 432896, 467072, 554648, 934144, 1109296, 2218592, 4437184, 8874368, 17748736]

約数ペア:

[(1, 17748736), (2, 8874368), (4, 4437184), (8, 2218592), (16, 1109296), (19, 934144), (32, 554648), (38, 467072), (41, 432896), (64, 277324), (76, 233536), (82, 216448), (89, 199424), (128, 138662), (152, 116768), (164, 108224), (178, 99712), (256, 69331), (304, 58384), (328, 54112), (356, 49856), (608, 29192), (656, 27056), (712, 24928), (779, 22784), (1216, 14596), (1312, 13528), (1424, 12464), (1558, 11392), (1691, 10496), (2432, 7298), (2624, 6764), (2848, 6232), (3116, 5696), (3382, 5248), (3649, 4864)]