19976892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3518

約数の個数: 48

約数和(自身を含む): 51569952

約数和(自身を除く): 31593060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3461, 5772, 6922, 10383, 13844, 20766, 41532, 44993, 89986, 128057, 134979, 179972, 256114, 269958, 384171, 512228, 539916, 768342, 1536684, 1664741, 3329482, 4994223, 6658964, 9988446, 19976892]

約数ペア:

[(1, 19976892), (2, 9988446), (3, 6658964), (4, 4994223), (6, 3329482), (12, 1664741), (13, 1536684), (26, 768342), (37, 539916), (39, 512228), (52, 384171), (74, 269958), (78, 256114), (111, 179972), (148, 134979), (156, 128057), (222, 89986), (444, 44993), (481, 41532), (962, 20766), (1443, 13844), (1924, 10383), (2886, 6922), (3461, 5772)]