19855134

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 47789352

約数和(自身を除く): 27934218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 107, 117, 122, 169, 183, 214, 234, 321, 338, 366, 507, 549, 642, 793, 963, 1014, 1098, 1391, 1521, 1586, 1926, 2379, 2782, 3042, 4173, 4758, 6527, 7137, 8346, 10309, 12519, 13054, 14274, 18083, 19581, 20618, 25038, 30927, 36166, 39162, 54249, 58743, 61854, 84851, 92781, 108498, 117486, 162747, 169702, 185562, 254553, 325494, 509106, 763659, 1103063, 1527318, 2206126, 3309189, 6618378, 9927567, 19855134]

約数ペア:

[(1, 19855134), (2, 9927567), (3, 6618378), (6, 3309189), (9, 2206126), (13, 1527318), (18, 1103063), (26, 763659), (39, 509106), (61, 325494), (78, 254553), (107, 185562), (117, 169702), (122, 162747), (169, 117486), (183, 108498), (214, 92781), (234, 84851), (321, 61854), (338, 58743), (366, 54249), (507, 39162), (549, 36166), (642, 30927), (793, 25038), (963, 20618), (1014, 19581), (1098, 18083), (1391, 14274), (1521, 13054), (1586, 12519), (1926, 10309), (2379, 8346), (2782, 7137), (3042, 6527), (4173, 4758)]