19814388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4057}}^1$

素因数の和:4112

約数の個数: 48

約数和(自身を含む): 51812544

約数和(自身を除く): 31998156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4057, 4884, 8114, 12171, 16228, 24342, 44627, 48684, 89254, 133881, 150109, 178508, 267762, 300218, 450327, 535524, 600436, 900654, 1651199, 1801308, 3302398, 4953597, 6604796, 9907194, 19814388]

約数ペア:

[(1, 19814388), (2, 9907194), (3, 6604796), (4, 4953597), (6, 3302398), (11, 1801308), (12, 1651199), (22, 900654), (33, 600436), (37, 535524), (44, 450327), (66, 300218), (74, 267762), (111, 178508), (132, 150109), (148, 133881), (222, 89254), (407, 48684), (444, 44627), (814, 24342), (1221, 16228), (1628, 12171), (2442, 8114), (4057, 4884)]