19220856

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 51484800

約数和(自身を除く): 32263944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 228, 244, 366, 456, 488, 691, 732, 1159, 1382, 1464, 2073, 2318, 2764, 3477, 4146, 4636, 5528, 6954, 8292, 9272, 13129, 13908, 16584, 26258, 27816, 39387, 42151, 52516, 78774, 84302, 105032, 126453, 157548, 168604, 252906, 315096, 337208, 505812, 800869, 1011624, 1601738, 2402607, 3203476, 4805214, 6406952, 9610428, 19220856]

約数ペア:

[(1, 19220856), (2, 9610428), (3, 6406952), (4, 4805214), (6, 3203476), (8, 2402607), (12, 1601738), (19, 1011624), (24, 800869), (38, 505812), (57, 337208), (61, 315096), (76, 252906), (114, 168604), (122, 157548), (152, 126453), (183, 105032), (228, 84302), (244, 78774), (366, 52516), (456, 42151), (488, 39387), (691, 27816), (732, 26258), (1159, 16584), (1382, 13908), (1464, 13129), (2073, 9272), (2318, 8292), (2764, 6954), (3477, 5528), (4146, 4636)]