19353620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 48940416

約数和(自身を除く): 29586796

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 101, 110, 130, 134, 143, 202, 220, 260, 268, 286, 335, 404, 505, 572, 670, 715, 737, 871, 1010, 1111, 1313, 1340, 1430, 1474, 1742, 2020, 2222, 2626, 2860, 2948, 3484, 3685, 4355, 4444, 5252, 5555, 6565, 6767, 7370, 8710, 9581, 11110, 13130, 13534, 14443, 14740, 17420, 19162, 22220, 26260, 27068, 28886, 33835, 38324, 47905, 57772, 67670, 72215, 74437, 87971, 95810, 135340, 144430, 148874, 175942, 191620, 288860, 297748, 351884, 372185, 439855, 744370, 879710, 967681, 1488740, 1759420, 1935362, 3870724, 4838405, 9676810, 19353620]

約数ペア:

[(1, 19353620), (2, 9676810), (4, 4838405), (5, 3870724), (10, 1935362), (11, 1759420), (13, 1488740), (20, 967681), (22, 879710), (26, 744370), (44, 439855), (52, 372185), (55, 351884), (65, 297748), (67, 288860), (101, 191620), (110, 175942), (130, 148874), (134, 144430), (143, 135340), (202, 95810), (220, 87971), (260, 74437), (268, 72215), (286, 67670), (335, 57772), (404, 47905), (505, 38324), (572, 33835), (670, 28886), (715, 27068), (737, 26260), (871, 22220), (1010, 19162), (1111, 17420), (1313, 14740), (1340, 14443), (1430, 13534), (1474, 13130), (1742, 11110), (2020, 9581), (2222, 8710), (2626, 7370), (2860, 6767), (2948, 6565), (3484, 5555), (3685, 5252), (4355, 4444)]