18205291212

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1\times {\mathrm{6311}}^1$

素因数の和:7310

約数の個数: 48

約数和(自身を含む): 42661242624

約数和(自身を除く): 24455951412

約数列:

[1, 2, 3, 4, 6, 12, 421, 571, 842, 1142, 1263, 1684, 1713, 2284, 2526, 3426, 5052, 6311, 6852, 12622, 18933, 25244, 37866, 75732, 240391, 480782, 721173, 961564, 1442346, 2656931, 2884692, 3603581, 5313862, 7207162, 7970793, 10627724, 10810743, 14414324, 15941586, 21621486, 31883172, 43242972, 1517107601, 3034215202, 4551322803, 6068430404, 9102645606, 18205291212]

約数ペア:

[(1, 18205291212), (2, 9102645606), (3, 6068430404), (4, 4551322803), (6, 3034215202), (12, 1517107601), (421, 43242972), (571, 31883172), (842, 21621486), (1142, 15941586), (1263, 14414324), (1684, 10810743), (1713, 10627724), (2284, 7970793), (2526, 7207162), (3426, 5313862), (5052, 3603581), (6311, 2884692), (6852, 2656931), (12622, 1442346), (18933, 961564), (25244, 721173), (37866, 480782), (75732, 240391)]