19820164

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3203}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 45214848

約数和(自身を除く): 25394684

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3203, 6188, 6406, 12812, 22421, 41639, 44842, 54451, 83278, 89684, 108902, 166556, 217804, 291473, 381157, 582946, 707863, 762314, 1165892, 1415726, 1524628, 2831452, 4955041, 9910082, 19820164]

約数ペア:

[(1, 19820164), (2, 9910082), (4, 4955041), (7, 2831452), (13, 1524628), (14, 1415726), (17, 1165892), (26, 762314), (28, 707863), (34, 582946), (52, 381157), (68, 291473), (91, 217804), (119, 166556), (182, 108902), (221, 89684), (238, 83278), (364, 54451), (442, 44842), (476, 41639), (884, 22421), (1547, 12812), (3094, 6406), (3203, 6188)]