22018189180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{646453}}^1$

素因数の和:646606

約数の個数: 48

約数和(自身を含む): 50175173664

約数和(自身を除く): 28156984484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 34060, 646453, 1292906, 2585812, 3232265, 6464530, 8403889, 12929060, 16807778, 33615556, 42019445, 84038890, 84685343, 168077780, 169370686, 338741372, 423426715, 846853430, 1100909459, 1693706860, 2201818918, 4403637836, 5504547295, 11009094590, 22018189180]

約数ペア:

[(1, 22018189180), (2, 11009094590), (4, 5504547295), (5, 4403637836), (10, 2201818918), (13, 1693706860), (20, 1100909459), (26, 846853430), (52, 423426715), (65, 338741372), (130, 169370686), (131, 168077780), (260, 84685343), (262, 84038890), (524, 42019445), (655, 33615556), (1310, 16807778), (1703, 12929060), (2620, 8403889), (3406, 6464530), (6812, 3232265), (8515, 2585812), (17030, 1292906), (34060, 646453)]