18785442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 44319744

約数和(自身を除く): 25534302

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 457, 527, 663, 806, 914, 1054, 1209, 1326, 1371, 1581, 2418, 2742, 3162, 5941, 6851, 7769, 11882, 13702, 14167, 15538, 17823, 20553, 23307, 28334, 35646, 41106, 42501, 46614, 85002, 100997, 184171, 201994, 240839, 302991, 368342, 481678, 552513, 605982, 722517, 1105026, 1445034, 3130907, 6261814, 9392721, 18785442]

約数ペア:

[(1, 18785442), (2, 9392721), (3, 6261814), (6, 3130907), (13, 1445034), (17, 1105026), (26, 722517), (31, 605982), (34, 552513), (39, 481678), (51, 368342), (62, 302991), (78, 240839), (93, 201994), (102, 184171), (186, 100997), (221, 85002), (403, 46614), (442, 42501), (457, 41106), (527, 35646), (663, 28334), (806, 23307), (914, 20553), (1054, 17823), (1209, 15538), (1326, 14167), (1371, 13702), (1581, 11882), (2418, 7769), (2742, 6851), (3162, 5941)]