19579980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46619}}^1$

素因数の和:46638

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 43077300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46619, 93238, 139857, 186476, 233095, 279714, 326333, 466190, 559428, 652666, 699285, 932380, 978999, 1305332, 1398570, 1631665, 1957998, 2797140, 3263330, 3915996, 4894995, 6526660, 9789990, 19579980]

約数ペア:

[(1, 19579980), (2, 9789990), (3, 6526660), (4, 4894995), (5, 3915996), (6, 3263330), (7, 2797140), (10, 1957998), (12, 1631665), (14, 1398570), (15, 1305332), (20, 978999), (21, 932380), (28, 699285), (30, 652666), (35, 559428), (42, 466190), (60, 326333), (70, 279714), (84, 233095), (105, 186476), (140, 139857), (210, 93238), (420, 46619)]