19340490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 50585472

約数和(自身を除く): 31244982

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 491, 505, 606, 982, 1010, 1313, 1473, 1515, 2455, 2626, 2946, 3030, 3939, 4910, 6383, 6565, 7365, 7878, 12766, 13130, 14730, 19149, 19695, 31915, 38298, 39390, 49591, 63830, 95745, 99182, 148773, 191490, 247955, 297546, 495910, 644683, 743865, 1289366, 1487730, 1934049, 3223415, 3868098, 6446830, 9670245, 19340490]

約数ペア:

[(1, 19340490), (2, 9670245), (3, 6446830), (5, 3868098), (6, 3223415), (10, 1934049), (13, 1487730), (15, 1289366), (26, 743865), (30, 644683), (39, 495910), (65, 297546), (78, 247955), (101, 191490), (130, 148773), (195, 99182), (202, 95745), (303, 63830), (390, 49591), (491, 39390), (505, 38298), (606, 31915), (982, 19695), (1010, 19149), (1313, 14730), (1473, 13130), (1515, 12766), (2455, 7878), (2626, 7365), (2946, 6565), (3030, 6383), (3939, 4910)]