2019812908

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 3806006400

約数和(自身を除く): 1786193492

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 289, 316, 578, 1156, 1301, 1343, 2602, 2686, 4913, 5204, 5372, 9826, 19652, 22117, 22831, 44234, 45662, 88468, 91324, 102779, 205558, 375989, 388127, 411116, 751978, 776254, 1503956, 1552508, 1747243, 3494486, 6391813, 6988972, 12783626, 25567252, 29703131, 59406262, 118812524, 504953227, 1009906454, 2019812908]

約数ペア:

[(1, 2019812908), (2, 1009906454), (4, 504953227), (17, 118812524), (34, 59406262), (68, 29703131), (79, 25567252), (158, 12783626), (289, 6988972), (316, 6391813), (578, 3494486), (1156, 1747243), (1301, 1552508), (1343, 1503956), (2602, 776254), (2686, 751978), (4913, 411116), (5204, 388127), (5372, 375989), (9826, 205558), (19652, 102779), (22117, 91324), (22831, 88468), (44234, 45662)]