19581192

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{631}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 53239680

約数和(自身を除く): 33658488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 631, 862, 1262, 1293, 1724, 1893, 2524, 2586, 3448, 3786, 3879, 5048, 5172, 5679, 7572, 7758, 10344, 11358, 15144, 15516, 22716, 31032, 45432, 271961, 543922, 815883, 1087844, 1631766, 2175688, 2447649, 3263532, 4895298, 6527064, 9790596, 19581192]

約数ペア:

[(1, 19581192), (2, 9790596), (3, 6527064), (4, 4895298), (6, 3263532), (8, 2447649), (9, 2175688), (12, 1631766), (18, 1087844), (24, 815883), (36, 543922), (72, 271961), (431, 45432), (631, 31032), (862, 22716), (1262, 15516), (1293, 15144), (1724, 11358), (1893, 10344), (2524, 7758), (2586, 7572), (3448, 5679), (3786, 5172), (3879, 5048)]