18995056

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 20002448

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 568, 727, 1136, 1454, 1633, 2908, 3266, 5816, 6532, 11632, 13064, 16721, 26128, 33442, 51617, 66884, 103234, 133768, 206468, 267536, 412936, 825872, 1187191, 2374382, 4748764, 9497528, 18995056]

約数ペア:

[(1, 18995056), (2, 9497528), (4, 4748764), (8, 2374382), (16, 1187191), (23, 825872), (46, 412936), (71, 267536), (92, 206468), (142, 133768), (184, 103234), (284, 66884), (368, 51617), (568, 33442), (727, 26128), (1136, 16721), (1454, 13064), (1633, 11632), (2908, 6532), (3266, 5816)]