19894348

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 18208052

約数列:

[1, 2, 4, 29, 41, 47, 58, 82, 89, 94, 116, 164, 178, 188, 356, 1189, 1363, 1927, 2378, 2581, 2726, 3649, 3854, 4183, 4756, 5162, 5452, 7298, 7708, 8366, 10324, 14596, 16732, 55883, 105821, 111766, 121307, 171503, 211642, 223532, 242614, 343006, 423284, 485228, 686012, 4973587, 9947174, 19894348]

約数ペア:

[(1, 19894348), (2, 9947174), (4, 4973587), (29, 686012), (41, 485228), (47, 423284), (58, 343006), (82, 242614), (89, 223532), (94, 211642), (116, 171503), (164, 121307), (178, 111766), (188, 105821), (356, 55883), (1189, 16732), (1363, 14596), (1927, 10324), (2378, 8366), (2581, 7708), (2726, 7298), (3649, 5452), (3854, 5162), (4183, 4756)]