19834648

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 41334480

約数和(自身を除く): 21499832

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 289, 373, 391, 578, 746, 782, 1156, 1492, 1564, 2312, 2984, 3128, 6341, 6647, 8579, 12682, 13294, 17158, 25364, 26588, 34316, 50728, 53176, 68632, 107797, 145843, 215594, 291686, 431188, 583372, 862376, 1166744, 2479331, 4958662, 9917324, 19834648]

約数ペア:

[(1, 19834648), (2, 9917324), (4, 4958662), (8, 2479331), (17, 1166744), (23, 862376), (34, 583372), (46, 431188), (68, 291686), (92, 215594), (136, 145843), (184, 107797), (289, 68632), (373, 53176), (391, 50728), (578, 34316), (746, 26588), (782, 25364), (1156, 17158), (1492, 13294), (1564, 12682), (2312, 8579), (2984, 6647), (3128, 6341)]