19614568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 18689432

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 569, 1112, 1138, 2276, 4309, 4552, 8618, 17236, 17639, 34472, 35278, 70556, 79091, 141112, 158182, 316364, 632728, 2451821, 4903642, 9807284, 19614568]

約数ペア:

[(1, 19614568), (2, 9807284), (4, 4903642), (8, 2451821), (31, 632728), (62, 316364), (124, 158182), (139, 141112), (248, 79091), (278, 70556), (556, 35278), (569, 34472), (1112, 17639), (1138, 17236), (2276, 8618), (4309, 4552)]