19112420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 24070300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 839, 1139, 1340, 1678, 2278, 3356, 4195, 4556, 5695, 8390, 11390, 14263, 16780, 22780, 28526, 56213, 57052, 71315, 112426, 142630, 224852, 281065, 285260, 562130, 955621, 1124260, 1911242, 3822484, 4778105, 9556210, 19112420]

約数ペア:

[(1, 19112420), (2, 9556210), (4, 4778105), (5, 3822484), (10, 1911242), (17, 1124260), (20, 955621), (34, 562130), (67, 285260), (68, 281065), (85, 224852), (134, 142630), (170, 112426), (268, 71315), (335, 57052), (340, 56213), (670, 28526), (839, 22780), (1139, 16780), (1340, 14263), (1678, 11390), (2278, 8390), (3356, 5695), (4195, 4556)]