19304894740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{313}}^1\times {\mathrm{3209}}^1$

素因数の和:3593

約数の個数: 72

約数和(自身を含む): 42037145640

約数和(自身を除く): 22732250900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 313, 620, 626, 961, 1252, 1565, 1922, 3130, 3209, 3844, 4805, 6260, 6418, 9610, 9703, 12836, 16045, 19220, 19406, 32090, 38812, 48515, 64180, 97030, 99479, 194060, 198958, 300793, 397916, 497395, 601586, 994790, 1004417, 1203172, 1503965, 1989580, 2008834, 3007930, 3083849, 4017668, 5022085, 6015860, 6167698, 10044170, 12335396, 15419245, 20088340, 30838490, 31136927, 61676980, 62273854, 124547708, 155684635, 311369270, 622738540, 965244737, 1930489474, 3860978948, 4826223685, 9652447370, 19304894740]

約数ペア:

[(1, 19304894740), (2, 9652447370), (4, 4826223685), (5, 3860978948), (10, 1930489474), (20, 965244737), (31, 622738540), (62, 311369270), (124, 155684635), (155, 124547708), (310, 62273854), (313, 61676980), (620, 31136927), (626, 30838490), (961, 20088340), (1252, 15419245), (1565, 12335396), (1922, 10044170), (3130, 6167698), (3209, 6015860), (3844, 5022085), (4805, 4017668), (6260, 3083849), (6418, 3007930), (9610, 2008834), (9703, 1989580), (12836, 1503965), (16045, 1203172), (19220, 1004417), (19406, 994790), (32090, 601586), (38812, 497395), (48515, 397916), (64180, 300793), (97030, 198958), (99479, 194060)]