19161402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 43908480

約数和(自身を除く): 24747078

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 43, 58, 78, 86, 87, 129, 174, 197, 258, 377, 394, 559, 591, 754, 1118, 1131, 1182, 1247, 1677, 2262, 2494, 2561, 3354, 3741, 5122, 5713, 7482, 7683, 8471, 11426, 15366, 16211, 16942, 17139, 25413, 32422, 34278, 48633, 50826, 74269, 97266, 110123, 148538, 220246, 222807, 245659, 330369, 445614, 491318, 660738, 736977, 1473954, 3193567, 6387134, 9580701, 19161402]

約数ペア:

[(1, 19161402), (2, 9580701), (3, 6387134), (6, 3193567), (13, 1473954), (26, 736977), (29, 660738), (39, 491318), (43, 445614), (58, 330369), (78, 245659), (86, 222807), (87, 220246), (129, 148538), (174, 110123), (197, 97266), (258, 74269), (377, 50826), (394, 48633), (559, 34278), (591, 32422), (754, 25413), (1118, 17139), (1131, 16942), (1182, 16211), (1247, 15366), (1677, 11426), (2262, 8471), (2494, 7683), (2561, 7482), (3354, 5713), (3741, 5122)]