19057437

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 36009600

約数和(自身を除く): 16952163

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 61, 63, 81, 87, 133, 171, 183, 189, 203, 261, 399, 427, 513, 549, 551, 567, 609, 783, 1159, 1197, 1281, 1539, 1647, 1653, 1769, 1827, 2349, 3477, 3591, 3843, 3857, 4941, 4959, 5307, 5481, 8113, 10431, 10773, 11529, 11571, 12383, 14877, 15921, 16443, 24339, 31293, 33611, 34587, 34713, 37149, 44631, 47763, 73017, 93879, 100833, 104139, 111447, 143289, 219051, 235277, 302499, 312417, 334341, 657153, 705831, 907497, 1003023, 2117493, 2722491, 6352479, 19057437]

約数ペア:

[(1, 19057437), (3, 6352479), (7, 2722491), (9, 2117493), (19, 1003023), (21, 907497), (27, 705831), (29, 657153), (57, 334341), (61, 312417), (63, 302499), (81, 235277), (87, 219051), (133, 143289), (171, 111447), (183, 104139), (189, 100833), (203, 93879), (261, 73017), (399, 47763), (427, 44631), (513, 37149), (549, 34713), (551, 34587), (567, 33611), (609, 31293), (783, 24339), (1159, 16443), (1197, 15921), (1281, 14877), (1539, 12383), (1647, 11571), (1653, 11529), (1769, 10773), (1827, 10431), (2349, 8113), (3477, 5481), (3591, 5307), (3843, 4959), (3857, 4941)]