19557240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2063}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 39885960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2063, 2370, 3160, 4126, 4740, 6189, 8252, 9480, 10315, 12378, 16504, 20630, 24756, 30945, 41260, 49512, 61890, 82520, 123780, 162977, 247560, 325954, 488931, 651908, 814885, 977862, 1303816, 1629770, 1955724, 2444655, 3259540, 3911448, 4889310, 6519080, 9778620, 19557240]

約数ペア:

[(1, 19557240), (2, 9778620), (3, 6519080), (4, 4889310), (5, 3911448), (6, 3259540), (8, 2444655), (10, 1955724), (12, 1629770), (15, 1303816), (20, 977862), (24, 814885), (30, 651908), (40, 488931), (60, 325954), (79, 247560), (120, 162977), (158, 123780), (237, 82520), (316, 61890), (395, 49512), (474, 41260), (632, 30945), (790, 24756), (948, 20630), (1185, 16504), (1580, 12378), (1896, 10315), (2063, 9480), (2370, 8252), (3160, 6189), (4126, 4740)]