19949772

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5190

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 31942068

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5147, 10294, 15441, 20588, 30882, 61764, 87499, 97793, 174998, 195586, 262497, 293379, 349996, 391172, 524994, 586758, 1049988, 1173516, 1662481, 3324962, 4987443, 6649924, 9974886, 19949772]

約数ペア:

[(1, 19949772), (2, 9974886), (3, 6649924), (4, 4987443), (6, 3324962), (12, 1662481), (17, 1173516), (19, 1049988), (34, 586758), (38, 524994), (51, 391172), (57, 349996), (68, 293379), (76, 262497), (102, 195586), (114, 174998), (204, 97793), (228, 87499), (323, 61764), (646, 30882), (969, 20588), (1292, 15441), (1938, 10294), (3876, 5147)]