19805484

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 48932352

約数和(自身を除く): 29126868

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 983, 1679, 1966, 2949, 3358, 3932, 5037, 5898, 6716, 10074, 11796, 20148, 22609, 45218, 67827, 71759, 90436, 135654, 143518, 215277, 271308, 287036, 430554, 861108, 1650457, 3300914, 4951371, 6601828, 9902742, 19805484]

約数ペア:

[(1, 19805484), (2, 9902742), (3, 6601828), (4, 4951371), (6, 3300914), (12, 1650457), (23, 861108), (46, 430554), (69, 287036), (73, 271308), (92, 215277), (138, 143518), (146, 135654), (219, 90436), (276, 71759), (292, 67827), (438, 45218), (876, 22609), (983, 20148), (1679, 11796), (1966, 10074), (2949, 6716), (3358, 5898), (3932, 5037)]