19513208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 44241120

約数和(自身を除く): 24727912

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 461, 481, 572, 814, 922, 962, 1144, 1628, 1844, 1924, 3256, 3688, 3848, 5071, 5291, 5993, 10142, 10582, 11986, 17057, 20284, 21164, 23972, 34114, 40568, 42328, 47944, 65923, 68228, 131846, 136456, 187627, 221741, 263692, 375254, 443482, 527384, 750508, 886964, 1501016, 1773928, 2439151, 4878302, 9756604, 19513208]

約数ペア:

[(1, 19513208), (2, 9756604), (4, 4878302), (8, 2439151), (11, 1773928), (13, 1501016), (22, 886964), (26, 750508), (37, 527384), (44, 443482), (52, 375254), (74, 263692), (88, 221741), (104, 187627), (143, 136456), (148, 131846), (286, 68228), (296, 65923), (407, 47944), (461, 42328), (481, 40568), (572, 34114), (814, 23972), (922, 21164), (962, 20284), (1144, 17057), (1628, 11986), (1844, 10582), (1924, 10142), (3256, 5993), (3688, 5291), (3848, 5071)]