19198199916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2059009}}^1$

素因数の和:2059063

約数の個数: 72

約数和(自身を含む): 56960452640

約数和(自身を除く): 37762252724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 9324, 2059009, 4118018, 6177027, 8236036, 12354054, 14413063, 18531081, 24708108, 28826126, 37062162, 43239189, 57652252, 74124324, 76183333, 86478378, 129717567, 152366666, 172956756, 228549999, 259435134, 304733332, 457099998, 518870268, 533283331, 685649997, 914199996, 1066566662, 1371299994, 1599849993, 2133133324, 2742599988, 3199699986, 4799549979, 6399399972, 9599099958, 19198199916]

約数ペア:

[(1, 19198199916), (2, 9599099958), (3, 6399399972), (4, 4799549979), (6, 3199699986), (7, 2742599988), (9, 2133133324), (12, 1599849993), (14, 1371299994), (18, 1066566662), (21, 914199996), (28, 685649997), (36, 533283331), (37, 518870268), (42, 457099998), (63, 304733332), (74, 259435134), (84, 228549999), (111, 172956756), (126, 152366666), (148, 129717567), (222, 86478378), (252, 76183333), (259, 74124324), (333, 57652252), (444, 43239189), (518, 37062162), (666, 28826126), (777, 24708108), (1036, 18531081), (1332, 14413063), (1554, 12354054), (2331, 8236036), (3108, 6177027), (4662, 4118018), (9324, 2059009)]