19847254

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 16924586

約数列:

[1, 2, 7, 14, 31, 47, 49, 62, 94, 98, 139, 217, 278, 329, 434, 658, 973, 1457, 1519, 1946, 2303, 2914, 3038, 4309, 4606, 6533, 6811, 8618, 10199, 13066, 13622, 20398, 30163, 45731, 60326, 71393, 91462, 142786, 202523, 211141, 320117, 405046, 422282, 640234, 1417661, 2835322, 9923627, 19847254]

約数ペア:

[(1, 19847254), (2, 9923627), (7, 2835322), (14, 1417661), (31, 640234), (47, 422282), (49, 405046), (62, 320117), (94, 211141), (98, 202523), (139, 142786), (217, 91462), (278, 71393), (329, 60326), (434, 45731), (658, 30163), (973, 20398), (1457, 13622), (1519, 13066), (1946, 10199), (2303, 8618), (2914, 6811), (3038, 6533), (4309, 4606)]