19846948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 39682944

約数和(自身を除く): 19835996

約数列:

[1, 2, 4, 11, 22, 37, 44, 73, 74, 146, 148, 167, 292, 334, 407, 668, 803, 814, 1606, 1628, 1837, 2701, 3212, 3674, 5402, 6179, 7348, 10804, 12191, 12358, 24382, 24716, 29711, 48764, 59422, 67969, 118844, 134101, 135938, 268202, 271876, 451067, 536404, 902134, 1804268, 4961737, 9923474, 19846948]

約数ペア:

[(1, 19846948), (2, 9923474), (4, 4961737), (11, 1804268), (22, 902134), (37, 536404), (44, 451067), (73, 271876), (74, 268202), (146, 135938), (148, 134101), (167, 118844), (292, 67969), (334, 59422), (407, 48764), (668, 29711), (803, 24716), (814, 24382), (1606, 12358), (1628, 12191), (1837, 10804), (2701, 7348), (3212, 6179), (3674, 5402)]