19251760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 30245072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 167, 176, 220, 262, 334, 440, 524, 655, 668, 835, 880, 1048, 1310, 1336, 1441, 1670, 1837, 2096, 2620, 2672, 2882, 3340, 3674, 5240, 5764, 6680, 7205, 7348, 9185, 10480, 11528, 13360, 14410, 14696, 18370, 21877, 23056, 28820, 29392, 36740, 43754, 57640, 73480, 87508, 109385, 115280, 146960, 175016, 218770, 240647, 350032, 437540, 481294, 875080, 962588, 1203235, 1750160, 1925176, 2406470, 3850352, 4812940, 9625880, 19251760]

約数ペア:

[(1, 19251760), (2, 9625880), (4, 4812940), (5, 3850352), (8, 2406470), (10, 1925176), (11, 1750160), (16, 1203235), (20, 962588), (22, 875080), (40, 481294), (44, 437540), (55, 350032), (80, 240647), (88, 218770), (110, 175016), (131, 146960), (167, 115280), (176, 109385), (220, 87508), (262, 73480), (334, 57640), (440, 43754), (524, 36740), (655, 29392), (668, 28820), (835, 23056), (880, 21877), (1048, 18370), (1310, 14696), (1336, 14410), (1441, 13360), (1670, 11528), (1837, 10480), (2096, 9185), (2620, 7348), (2672, 7205), (2882, 6680), (3340, 5764), (3674, 5240)]