11914520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 28792800

約数和(自身を除く): 16878280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 257, 305, 380, 488, 514, 610, 760, 1028, 1159, 1220, 1285, 2056, 2318, 2440, 2570, 4636, 4883, 5140, 5795, 9272, 9766, 10280, 11590, 15677, 19532, 23180, 24415, 31354, 39064, 46360, 48830, 62708, 78385, 97660, 125416, 156770, 195320, 297863, 313540, 595726, 627080, 1191452, 1489315, 2382904, 2978630, 5957260, 11914520]

約数ペア:

[(1, 11914520), (2, 5957260), (4, 2978630), (5, 2382904), (8, 1489315), (10, 1191452), (19, 627080), (20, 595726), (38, 313540), (40, 297863), (61, 195320), (76, 156770), (95, 125416), (122, 97660), (152, 78385), (190, 62708), (244, 48830), (257, 46360), (305, 39064), (380, 31354), (488, 24415), (514, 23180), (610, 19532), (760, 15677), (1028, 11590), (1159, 10280), (1220, 9766), (1285, 9272), (2056, 5795), (2318, 5140), (2440, 4883), (2570, 4636)]