20121912

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4937

約数の個数: 64

約数和(自身を含む): 58848000

約数和(自身を除く): 38726088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 4903, 9806, 14709, 19612, 29418, 39224, 44127, 58836, 88254, 93157, 117672, 132381, 176508, 186314, 264762, 279471, 353016, 372628, 529524, 558942, 745256, 838413, 1059048, 1117884, 1676826, 2235768, 2515239, 3353652, 5030478, 6707304, 10060956, 20121912]

約数ペア:

[(1, 20121912), (2, 10060956), (3, 6707304), (4, 5030478), (6, 3353652), (8, 2515239), (9, 2235768), (12, 1676826), (18, 1117884), (19, 1059048), (24, 838413), (27, 745256), (36, 558942), (38, 529524), (54, 372628), (57, 353016), (72, 279471), (76, 264762), (108, 186314), (114, 176508), (152, 132381), (171, 117672), (216, 93157), (228, 88254), (342, 58836), (456, 44127), (513, 39224), (684, 29418), (1026, 19612), (1368, 14709), (2052, 9806), (4104, 4903)]