19420692

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 47205312

約数和(自身を除く): 27784620

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 617, 732, 1234, 1851, 2468, 2623, 3702, 5246, 7404, 7869, 10492, 15738, 26531, 31476, 37637, 53062, 75274, 79593, 106124, 112911, 150548, 159186, 225822, 318372, 451644, 1618391, 3236782, 4855173, 6473564, 9710346, 19420692]

約数ペア:

[(1, 19420692), (2, 9710346), (3, 6473564), (4, 4855173), (6, 3236782), (12, 1618391), (43, 451644), (61, 318372), (86, 225822), (122, 159186), (129, 150548), (172, 112911), (183, 106124), (244, 79593), (258, 75274), (366, 53062), (516, 37637), (617, 31476), (732, 26531), (1234, 15738), (1851, 10492), (2468, 7869), (2623, 7404), (3702, 5246)]