19654530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 54321408

約数和(自身を除く): 34666878

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 519, 541, 865, 1038, 1082, 1211, 1623, 1730, 2422, 2595, 2705, 3246, 3633, 3787, 5190, 5410, 6055, 7266, 7574, 8115, 11361, 12110, 16230, 18165, 18935, 22722, 36330, 37870, 56805, 93593, 113610, 187186, 280779, 467965, 561558, 655151, 935930, 1310302, 1403895, 1965453, 2807790, 3275755, 3930906, 6551510, 9827265, 19654530]

約数ペア:

[(1, 19654530), (2, 9827265), (3, 6551510), (5, 3930906), (6, 3275755), (7, 2807790), (10, 1965453), (14, 1403895), (15, 1310302), (21, 935930), (30, 655151), (35, 561558), (42, 467965), (70, 280779), (105, 187186), (173, 113610), (210, 93593), (346, 56805), (519, 37870), (541, 36330), (865, 22722), (1038, 18935), (1082, 18165), (1211, 16230), (1623, 12110), (1730, 11361), (2422, 8115), (2595, 7574), (2705, 7266), (3246, 6055), (3633, 5410), (3787, 5190)]