19511820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 96

約数和(自身を含む): 63383040

約数和(自身を除く): 43871220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1571, 2070, 2484, 3105, 3142, 4140, 4713, 6210, 6284, 7855, 9426, 12420, 14139, 15710, 18852, 23565, 28278, 31420, 36133, 42417, 47130, 56556, 70695, 72266, 84834, 94260, 108399, 141390, 144532, 169668, 180665, 212085, 216798, 282780, 325197, 361330, 424170, 433596, 541995, 650394, 722660, 848340, 975591, 1083990, 1300788, 1625985, 1951182, 2167980, 3251970, 3902364, 4877955, 6503940, 9755910, 19511820]

約数ペア:

[(1, 19511820), (2, 9755910), (3, 6503940), (4, 4877955), (5, 3902364), (6, 3251970), (9, 2167980), (10, 1951182), (12, 1625985), (15, 1300788), (18, 1083990), (20, 975591), (23, 848340), (27, 722660), (30, 650394), (36, 541995), (45, 433596), (46, 424170), (54, 361330), (60, 325197), (69, 282780), (90, 216798), (92, 212085), (108, 180665), (115, 169668), (135, 144532), (138, 141390), (180, 108399), (207, 94260), (230, 84834), (270, 72266), (276, 70695), (345, 56556), (414, 47130), (460, 42417), (540, 36133), (621, 31420), (690, 28278), (828, 23565), (1035, 18852), (1242, 15710), (1380, 14139), (1571, 12420), (2070, 9426), (2484, 7855), (3105, 6284), (3142, 6210), (4140, 4713)]