19252740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24683}}^1$

素因数の和:24708

約数の個数: 48

約数和(自身を含む): 58056768

約数和(自身を除く): 38804028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24683, 49366, 74049, 98732, 123415, 148098, 246830, 296196, 320879, 370245, 493660, 641758, 740490, 962637, 1283516, 1480980, 1604395, 1925274, 3208790, 3850548, 4813185, 6417580, 9626370, 19252740]

約数ペア:

[(1, 19252740), (2, 9626370), (3, 6417580), (4, 4813185), (5, 3850548), (6, 3208790), (10, 1925274), (12, 1604395), (13, 1480980), (15, 1283516), (20, 962637), (26, 740490), (30, 641758), (39, 493660), (52, 370245), (60, 320879), (65, 296196), (78, 246830), (130, 148098), (156, 123415), (195, 98732), (260, 74049), (390, 49366), (780, 24683)]