19917620355

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{217003}}^1$

素因数の和:217251

約数の個数: 32

約数和(自身を含む): 33123490560

約数和(自身を除く): 13205870205

約数列:

[1, 3, 5, 15, 29, 87, 145, 211, 435, 633, 1055, 3165, 6119, 18357, 30595, 91785, 217003, 651009, 1085015, 3255045, 6293087, 18879261, 31465435, 45787633, 94396305, 137362899, 228938165, 686814495, 1327841357, 3983524071, 6639206785, 19917620355]

約数ペア:

[(1, 19917620355), (3, 6639206785), (5, 3983524071), (15, 1327841357), (29, 686814495), (87, 228938165), (145, 137362899), (211, 94396305), (435, 45787633), (633, 31465435), (1055, 18879261), (3165, 6293087), (6119, 3255045), (18357, 1085015), (30595, 651009), (91785, 217003)]