18895788

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{7607}}^1$

素因数の和:7643

約数の個数: 48

約数和(自身を含む): 51125760

約数和(自身を除く): 32229972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 7607, 15214, 22821, 30428, 45642, 68463, 91284, 136926, 174961, 205389, 273852, 349922, 410778, 524883, 699844, 821556, 1049766, 1574649, 2099532, 3149298, 4723947, 6298596, 9447894, 18895788]

約数ペア:

[(1, 18895788), (2, 9447894), (3, 6298596), (4, 4723947), (6, 3149298), (9, 2099532), (12, 1574649), (18, 1049766), (23, 821556), (27, 699844), (36, 524883), (46, 410778), (54, 349922), (69, 273852), (92, 205389), (108, 174961), (138, 136926), (207, 91284), (276, 68463), (414, 45642), (621, 30428), (828, 22821), (1242, 15214), (2484, 7607)]