19697388

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 27799572

約数列:

[1, 2, 3, 4, 6, 12, 61, 71, 122, 142, 183, 213, 244, 284, 366, 379, 426, 732, 758, 852, 1137, 1516, 2274, 4331, 4548, 8662, 12993, 17324, 23119, 25986, 26909, 46238, 51972, 53818, 69357, 80727, 92476, 107636, 138714, 161454, 277428, 322908, 1641449, 3282898, 4924347, 6565796, 9848694, 19697388]

約数ペア:

[(1, 19697388), (2, 9848694), (3, 6565796), (4, 4924347), (6, 3282898), (12, 1641449), (61, 322908), (71, 277428), (122, 161454), (142, 138714), (183, 107636), (213, 92476), (244, 80727), (284, 69357), (366, 53818), (379, 51972), (426, 46238), (732, 26909), (758, 25986), (852, 23119), (1137, 17324), (1516, 12993), (2274, 8662), (4331, 4548)]