19421880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5581}}^1$

素因数の和:5624

約数の個数: 64

約数和(自身を含む): 60285600

約数和(自身を除く): 40863720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5581, 11162, 16743, 22324, 27905, 33486, 44648, 55810, 66972, 83715, 111620, 133944, 161849, 167430, 223240, 323698, 334860, 485547, 647396, 669720, 809245, 971094, 1294792, 1618490, 1942188, 2427735, 3236980, 3884376, 4855470, 6473960, 9710940, 19421880]

約数ペア:

[(1, 19421880), (2, 9710940), (3, 6473960), (4, 4855470), (5, 3884376), (6, 3236980), (8, 2427735), (10, 1942188), (12, 1618490), (15, 1294792), (20, 971094), (24, 809245), (29, 669720), (30, 647396), (40, 485547), (58, 334860), (60, 323698), (87, 223240), (116, 167430), (120, 161849), (145, 133944), (174, 111620), (232, 83715), (290, 66972), (348, 55810), (435, 44648), (580, 33486), (696, 27905), (870, 22324), (1160, 16743), (1740, 11162), (3480, 5581)]