19677944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 24351496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 103, 104, 143, 167, 206, 286, 334, 412, 572, 668, 824, 1133, 1144, 1336, 1339, 1837, 2171, 2266, 2678, 3674, 4342, 4532, 5356, 7348, 8684, 9064, 10712, 14696, 14729, 17201, 17368, 23881, 29458, 34402, 47762, 58916, 68804, 95524, 117832, 137608, 189211, 191048, 223613, 378422, 447226, 756844, 894452, 1513688, 1788904, 2459743, 4919486, 9838972, 19677944]

約数ペア:

[(1, 19677944), (2, 9838972), (4, 4919486), (8, 2459743), (11, 1788904), (13, 1513688), (22, 894452), (26, 756844), (44, 447226), (52, 378422), (88, 223613), (103, 191048), (104, 189211), (143, 137608), (167, 117832), (206, 95524), (286, 68804), (334, 58916), (412, 47762), (572, 34402), (668, 29458), (824, 23881), (1133, 17368), (1144, 17201), (1336, 14729), (1339, 14696), (1837, 10712), (2171, 9064), (2266, 8684), (2678, 7348), (3674, 5356), (4342, 4532)]