17910008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 20105992

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 47, 76, 92, 94, 109, 152, 184, 188, 218, 376, 436, 437, 872, 874, 893, 1081, 1748, 1786, 2071, 2162, 2507, 3496, 3572, 4142, 4324, 5014, 5123, 7144, 8284, 8648, 10028, 10246, 16568, 20056, 20492, 20539, 40984, 41078, 47633, 82156, 95266, 97337, 117829, 164312, 190532, 194674, 235658, 381064, 389348, 471316, 778696, 942632, 2238751, 4477502, 8955004, 17910008]

約数ペア:

[(1, 17910008), (2, 8955004), (4, 4477502), (8, 2238751), (19, 942632), (23, 778696), (38, 471316), (46, 389348), (47, 381064), (76, 235658), (92, 194674), (94, 190532), (109, 164312), (152, 117829), (184, 97337), (188, 95266), (218, 82156), (376, 47633), (436, 41078), (437, 40984), (872, 20539), (874, 20492), (893, 20056), (1081, 16568), (1748, 10246), (1786, 10028), (2071, 8648), (2162, 8284), (2507, 7144), (3496, 5123), (3572, 5014), (4142, 4324)]