19480812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{827}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 29854740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 151, 156, 302, 453, 604, 827, 906, 1654, 1812, 1963, 2481, 3308, 3926, 4962, 5889, 7852, 9924, 10751, 11778, 21502, 23556, 32253, 43004, 64506, 124877, 129012, 249754, 374631, 499508, 749262, 1498524, 1623401, 3246802, 4870203, 6493604, 9740406, 19480812]

約数ペア:

[(1, 19480812), (2, 9740406), (3, 6493604), (4, 4870203), (6, 3246802), (12, 1623401), (13, 1498524), (26, 749262), (39, 499508), (52, 374631), (78, 249754), (151, 129012), (156, 124877), (302, 64506), (453, 43004), (604, 32253), (827, 23556), (906, 21502), (1654, 11778), (1812, 10751), (1963, 9924), (2481, 7852), (3308, 5889), (3926, 4962)]