19930380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{941}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 56022624

約数和(自身を除く): 36092244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 941, 1059, 1412, 1765, 1882, 2118, 2823, 3530, 3764, 4236, 4705, 5295, 5646, 7060, 9410, 10590, 11292, 14115, 18820, 21180, 28230, 56460, 332173, 664346, 996519, 1328692, 1660865, 1993038, 3321730, 3986076, 4982595, 6643460, 9965190, 19930380]

約数ペア:

[(1, 19930380), (2, 9965190), (3, 6643460), (4, 4982595), (5, 3986076), (6, 3321730), (10, 1993038), (12, 1660865), (15, 1328692), (20, 996519), (30, 664346), (60, 332173), (353, 56460), (706, 28230), (941, 21180), (1059, 18820), (1412, 14115), (1765, 11292), (1882, 10590), (2118, 9410), (2823, 7060), (3530, 5646), (3764, 5295), (4236, 4705)]