19051980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10243}}^1$

素因数の和:10286

約数の個数: 48

約数和(自身を含む): 55071744

約数和(自身を除く): 36019764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10243, 20486, 30729, 40972, 51215, 61458, 102430, 122916, 153645, 204860, 307290, 317533, 614580, 635066, 952599, 1270132, 1587665, 1905198, 3175330, 3810396, 4762995, 6350660, 9525990, 19051980]

約数ペア:

[(1, 19051980), (2, 9525990), (3, 6350660), (4, 4762995), (5, 3810396), (6, 3175330), (10, 1905198), (12, 1587665), (15, 1270132), (20, 952599), (30, 635066), (31, 614580), (60, 317533), (62, 307290), (93, 204860), (124, 153645), (155, 122916), (186, 102430), (310, 61458), (372, 51215), (465, 40972), (620, 30729), (930, 20486), (1860, 10243)]