19541772

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 34237044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 863, 1258, 1332, 1726, 1887, 2516, 2589, 3452, 3774, 5178, 5661, 7548, 7767, 10356, 11322, 14671, 15534, 22644, 29342, 31068, 31931, 44013, 58684, 63862, 88026, 95793, 127724, 132039, 176052, 191586, 264078, 287379, 383172, 528156, 542827, 574758, 1085654, 1149516, 1628481, 2171308, 3256962, 4885443, 6513924, 9770886, 19541772]

約数ペア:

[(1, 19541772), (2, 9770886), (3, 6513924), (4, 4885443), (6, 3256962), (9, 2171308), (12, 1628481), (17, 1149516), (18, 1085654), (34, 574758), (36, 542827), (37, 528156), (51, 383172), (68, 287379), (74, 264078), (102, 191586), (111, 176052), (148, 132039), (153, 127724), (204, 95793), (222, 88026), (306, 63862), (333, 58684), (444, 44013), (612, 31931), (629, 31068), (666, 29342), (863, 22644), (1258, 15534), (1332, 14671), (1726, 11322), (1887, 10356), (2516, 7767), (2589, 7548), (3452, 5661), (3774, 5178)]