19103671251

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1\times {\mathrm{2969}}^1$

素因数の和:4028

約数の個数: 48

約数和(自身を含む): 31870238400

約数和(自身を除く): 12766567149

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 937, 981, 2289, 2811, 2969, 6559, 6867, 8433, 8907, 19677, 20783, 26721, 59031, 62349, 102133, 187047, 306399, 323621, 714931, 919197, 970863, 2144793, 2265347, 2781953, 2912589, 6434379, 6796041, 8345859, 19473671, 20388123, 25037577, 58421013, 175263039, 303232877, 909698631, 2122630139, 2729095893, 6367890417, 19103671251]

約数ペア:

[(1, 19103671251), (3, 6367890417), (7, 2729095893), (9, 2122630139), (21, 909698631), (63, 303232877), (109, 175263039), (327, 58421013), (763, 25037577), (937, 20388123), (981, 19473671), (2289, 8345859), (2811, 6796041), (2969, 6434379), (6559, 2912589), (6867, 2781953), (8433, 2265347), (8907, 2144793), (19677, 970863), (20783, 919197), (26721, 714931), (59031, 323621), (62349, 306399), (102133, 187047)]