19395460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 30278780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 109, 124, 140, 155, 164, 205, 217, 218, 287, 310, 410, 434, 436, 545, 574, 620, 763, 820, 868, 1085, 1090, 1148, 1271, 1435, 1526, 2170, 2180, 2542, 2870, 3052, 3379, 3815, 4340, 4469, 5084, 5740, 6355, 6758, 7630, 8897, 8938, 12710, 13516, 15260, 16895, 17794, 17876, 22345, 23653, 25420, 31283, 33790, 35588, 44485, 44690, 47306, 62566, 67580, 88970, 89380, 94612, 118265, 125132, 138539, 156415, 177940, 236530, 277078, 312830, 473060, 554156, 625660, 692695, 969773, 1385390, 1939546, 2770780, 3879092, 4848865, 9697730, 19395460]

約数ペア:

[(1, 19395460), (2, 9697730), (4, 4848865), (5, 3879092), (7, 2770780), (10, 1939546), (14, 1385390), (20, 969773), (28, 692695), (31, 625660), (35, 554156), (41, 473060), (62, 312830), (70, 277078), (82, 236530), (109, 177940), (124, 156415), (140, 138539), (155, 125132), (164, 118265), (205, 94612), (217, 89380), (218, 88970), (287, 67580), (310, 62566), (410, 47306), (434, 44690), (436, 44485), (545, 35588), (574, 33790), (620, 31283), (763, 25420), (820, 23653), (868, 22345), (1085, 17876), (1090, 17794), (1148, 16895), (1271, 15260), (1435, 13516), (1526, 12710), (2170, 8938), (2180, 8897), (2542, 7630), (2870, 6758), (3052, 6355), (3379, 5740), (3815, 5084), (4340, 4469)]