19845945392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1\times {\mathrm{9743}}^1$

素因数の和:11170

約数の個数: 80

約数和(自身を含む): 47363635200

約数和(自身を除く): 27517689808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1399, 1456, 2798, 5596, 9743, 9793, 11192, 18187, 19486, 19586, 22384, 36374, 38972, 39172, 68201, 72748, 77944, 78344, 126659, 127309, 136402, 145496, 155888, 156688, 253318, 254618, 272804, 290992, 506636, 509236, 545608, 886613, 1013272, 1018472, 1091216, 1773226, 2026544, 2036944, 3546452, 7092904, 13630457, 14185808, 27260914, 54521828, 95413199, 109043656, 177195941, 190826398, 218087312, 354391882, 381652796, 708783764, 763305592, 1240371587, 1417567528, 1526611184, 2480743174, 2835135056, 4961486348, 9922972696, 19845945392]

約数ペア:

[(1, 19845945392), (2, 9922972696), (4, 4961486348), (7, 2835135056), (8, 2480743174), (13, 1526611184), (14, 1417567528), (16, 1240371587), (26, 763305592), (28, 708783764), (52, 381652796), (56, 354391882), (91, 218087312), (104, 190826398), (112, 177195941), (182, 109043656), (208, 95413199), (364, 54521828), (728, 27260914), (1399, 14185808), (1456, 13630457), (2798, 7092904), (5596, 3546452), (9743, 2036944), (9793, 2026544), (11192, 1773226), (18187, 1091216), (19486, 1018472), (19586, 1013272), (22384, 886613), (36374, 545608), (38972, 509236), (39172, 506636), (68201, 290992), (72748, 272804), (77944, 254618), (78344, 253318), (126659, 156688), (127309, 155888), (136402, 145496)]