19727560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 47537280

約数和(自身を除く): 27809720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 523, 820, 920, 943, 1046, 1640, 1886, 2092, 2615, 3772, 4184, 4715, 5230, 7544, 9430, 10460, 12029, 18860, 20920, 21443, 24058, 37720, 42886, 48116, 60145, 85772, 96232, 107215, 120290, 171544, 214430, 240580, 428860, 481160, 493189, 857720, 986378, 1972756, 2465945, 3945512, 4931890, 9863780, 19727560]

約数ペア:

[(1, 19727560), (2, 9863780), (4, 4931890), (5, 3945512), (8, 2465945), (10, 1972756), (20, 986378), (23, 857720), (40, 493189), (41, 481160), (46, 428860), (82, 240580), (92, 214430), (115, 171544), (164, 120290), (184, 107215), (205, 96232), (230, 85772), (328, 60145), (410, 48116), (460, 42886), (523, 37720), (820, 24058), (920, 21443), (943, 20920), (1046, 18860), (1640, 12029), (1886, 10460), (2092, 9430), (2615, 7544), (3772, 5230), (4184, 4715)]