19782476615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 27930935808

約数和(自身を除く): 8148459193

約数列:

[1, 5, 11, 17, 55, 67, 85, 187, 335, 457, 691, 737, 935, 1139, 2285, 3455, 3685, 5027, 5695, 7601, 7769, 11747, 12529, 25135, 30619, 38005, 38845, 46297, 58735, 62645, 85459, 129217, 153095, 231485, 315787, 336809, 427295, 509267, 520523, 646085, 787049, 1578935, 1684045, 2546335, 2602615, 3473657, 3935245, 5368379, 5725753, 8657539, 17368285, 21157729, 26841895, 28628765, 43287695, 59052169, 105788645, 232735019, 295260845, 359681393, 1163675095, 1798406965, 3956495323, 19782476615]

約数ペア:

[(1, 19782476615), (5, 3956495323), (11, 1798406965), (17, 1163675095), (55, 359681393), (67, 295260845), (85, 232735019), (187, 105788645), (335, 59052169), (457, 43287695), (691, 28628765), (737, 26841895), (935, 21157729), (1139, 17368285), (2285, 8657539), (3455, 5725753), (3685, 5368379), (5027, 3935245), (5695, 3473657), (7601, 2602615), (7769, 2546335), (11747, 1684045), (12529, 1578935), (25135, 787049), (30619, 646085), (38005, 520523), (38845, 509267), (46297, 427295), (58735, 336809), (62645, 315787), (85459, 231485), (129217, 153095)]