19586420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4513}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 48534528

約数和(自身を除く): 28948108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4513, 9026, 18052, 22565, 31591, 45130, 63182, 90260, 126364, 139903, 157955, 279806, 315910, 559612, 631820, 699515, 979321, 1399030, 1958642, 2798060, 3917284, 4896605, 9793210, 19586420]

約数ペア:

[(1, 19586420), (2, 9793210), (4, 4896605), (5, 3917284), (7, 2798060), (10, 1958642), (14, 1399030), (20, 979321), (28, 699515), (31, 631820), (35, 559612), (62, 315910), (70, 279806), (124, 157955), (140, 139903), (155, 126364), (217, 90260), (310, 63182), (434, 45130), (620, 31591), (868, 22565), (1085, 18052), (2170, 9026), (4340, 4513)]