19534816

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2411

約数の個数: 48

約数和(自身を含む): 45160416

約数和(自身を除く): 25625600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2357, 4144, 4714, 8288, 9428, 16499, 18856, 32998, 37712, 65996, 75424, 87209, 131992, 174418, 263984, 348836, 527968, 610463, 697672, 1220926, 1395344, 2441852, 2790688, 4883704, 9767408, 19534816]

約数ペア:

[(1, 19534816), (2, 9767408), (4, 4883704), (7, 2790688), (8, 2441852), (14, 1395344), (16, 1220926), (28, 697672), (32, 610463), (37, 527968), (56, 348836), (74, 263984), (112, 174418), (148, 131992), (224, 87209), (259, 75424), (296, 65996), (518, 37712), (592, 32998), (1036, 18856), (1184, 16499), (2072, 9428), (2357, 8288), (4144, 4714)]