17988412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 35435232

約数和(自身を除く): 17446820

約数列:

[1, 2, 4, 13, 26, 52, 53, 61, 106, 107, 122, 212, 214, 244, 428, 689, 793, 1378, 1391, 1586, 2756, 2782, 3172, 3233, 5564, 5671, 6466, 6527, 11342, 12932, 13054, 22684, 26108, 42029, 73723, 84058, 84851, 147446, 168116, 169702, 294892, 339404, 345931, 691862, 1383724, 4497103, 8994206, 17988412]

約数ペア:

[(1, 17988412), (2, 8994206), (4, 4497103), (13, 1383724), (26, 691862), (52, 345931), (53, 339404), (61, 294892), (106, 169702), (107, 168116), (122, 147446), (212, 84851), (214, 84058), (244, 73723), (428, 42029), (689, 26108), (793, 22684), (1378, 13054), (1391, 12932), (1586, 11342), (2756, 6527), (2782, 6466), (3172, 5671), (3233, 5564)]