19913310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 33689250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 262, 270, 393, 563, 655, 786, 1126, 1179, 1310, 1689, 1965, 2358, 2815, 3378, 3537, 3930, 5067, 5630, 5895, 7074, 8445, 10134, 11790, 15201, 16890, 17685, 25335, 30402, 35370, 50670, 73753, 76005, 147506, 152010, 221259, 368765, 442518, 663777, 737530, 1106295, 1327554, 1991331, 2212590, 3318885, 3982662, 6637770, 9956655, 19913310]

約数ペア:

[(1, 19913310), (2, 9956655), (3, 6637770), (5, 3982662), (6, 3318885), (9, 2212590), (10, 1991331), (15, 1327554), (18, 1106295), (27, 737530), (30, 663777), (45, 442518), (54, 368765), (90, 221259), (131, 152010), (135, 147506), (262, 76005), (270, 73753), (393, 50670), (563, 35370), (655, 30402), (786, 25335), (1126, 17685), (1179, 16890), (1310, 15201), (1689, 11790), (1965, 10134), (2358, 8445), (2815, 7074), (3378, 5895), (3537, 5630), (3930, 5067)]