19601540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7404

約数の個数: 48

約数和(自身を含む): 49526400

約数和(自身を除く): 29924860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7369, 14738, 29476, 36845, 51583, 73690, 103166, 140011, 147380, 206332, 257915, 280022, 515830, 560044, 700055, 980077, 1031660, 1400110, 1960154, 2800220, 3920308, 4900385, 9800770, 19601540]

約数ペア:

[(1, 19601540), (2, 9800770), (4, 4900385), (5, 3920308), (7, 2800220), (10, 1960154), (14, 1400110), (19, 1031660), (20, 980077), (28, 700055), (35, 560044), (38, 515830), (70, 280022), (76, 257915), (95, 206332), (133, 147380), (140, 140011), (190, 103166), (266, 73690), (380, 51583), (532, 36845), (665, 29476), (1330, 14738), (2660, 7369)]