19142578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20048462

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 161, 182, 221, 238, 269, 299, 322, 391, 442, 538, 598, 782, 1547, 1883, 2093, 2737, 3094, 3497, 3766, 4186, 4573, 5083, 5474, 6187, 6994, 9146, 10166, 12374, 24479, 32011, 35581, 43309, 48958, 59449, 64022, 71162, 80431, 86618, 105179, 118898, 160862, 210358, 416143, 563017, 736253, 832286, 1126034, 1367327, 1472506, 2734654, 9571289, 19142578]

約数ペア:

[(1, 19142578), (2, 9571289), (7, 2734654), (13, 1472506), (14, 1367327), (17, 1126034), (23, 832286), (26, 736253), (34, 563017), (46, 416143), (91, 210358), (119, 160862), (161, 118898), (182, 105179), (221, 86618), (238, 80431), (269, 71162), (299, 64022), (322, 59449), (391, 48958), (442, 43309), (538, 35581), (598, 32011), (782, 24479), (1547, 12374), (1883, 10166), (2093, 9146), (2737, 6994), (3094, 6187), (3497, 5474), (3766, 5083), (4186, 4573)]